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40012344330 = 2357190534973
BaseRepresentation
bin100101010000111010…
…111110110000001010
310211021112021200201220
4211100322332300022
51123421130004310
630214215222510
72614354213050
oct452072766012
9124245250656
1040012344330
1115a72a1a572
127908077a36
133a087b51ba
141d180a21d0
151092b24670
hex950ebec0a

40012344330 has 32 divisors (see below), whose sum is σ = 109748145024. Its totient is φ = 9145678656.

The previous prime is 40012344277. The next prime is 40012344341. The reversal of 40012344330 is 3344321004.

It is a self number, because there is not a number n which added to its sum of digits gives 40012344330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95267277 + ... + 95267696.

It is an arithmetic number, because the mean of its divisors is an integer number (3429629532).

Almost surely, 240012344330 is an apocalyptic number.

40012344330 is an abundant number, since it is smaller than the sum of its proper divisors (69735800694).

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

40012344330 is a wasteful number, since it uses less digits than its factorization.

40012344330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190534990.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40012344330 its reverse (3344321004), we get a palindrome (43356665334).

The spelling of 40012344330 in words is "forty billion, twelve million, three hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 190534973 381069946 571604919 952674865 1143209838 1333744811 1905349730 2667489622 2858024595 4001234433 5716049190 6668724055 8002468866 13337448110 20006172165 40012344330