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43343241440 = 2551489181931
BaseRepresentation
bin101000010111011101…
…010110000011100000
311010212122221210120112
4220113131112003200
51202231332211230
631524524030452
73063041321252
oct502735260340
9133778853515
1043343241440
11174221478a4
128497692428
1341198c4935
142152601cd2
1511da27bd95
hexa177560e0

43343241440 has 48 divisors (see below), whose sum is σ = 102467741040. Its totient is φ = 17325557760.

The previous prime is 43343241439. The next prime is 43343241443. The reversal of 43343241440 is 4414234334.

It is a super-2 number, since 2×433432414402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 43343241397 and 43343241406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43343241443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147275 + ... + 329205.

It is an arithmetic number, because the mean of its divisors is an integer number (2134744605).

Almost surely, 243343241440 is an apocalyptic number.

43343241440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43343241440 is an abundant number, since it is smaller than the sum of its proper divisors (59124499600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43343241440 is a wasteful number, since it uses less digits than its factorization.

43343241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183435 (or 183427 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43343241440 its reverse (4414234334), we get a palindrome (47757475774).

The spelling of 43343241440 in words is "forty-three billion, three hundred forty-three million, two hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1489 2978 5956 7445 11912 14890 23824 29780 47648 59560 119120 181931 238240 363862 727724 909655 1455448 1819310 2910896 3638620 5821792 7277240 14554480 29108960 270895259 541790518 1083581036 1354476295 2167162072 2708952590 4334324144 5417905180 8668648288 10835810360 21671620720 43343241440