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440142112240 = 24519727927799
BaseRepresentation
bin1100110011110101000…
…00111010010111110000
31120002002021000221211121
412121322200322113300
524202402340042430
6534110512552024
743541063140135
oct6317240722760
91502067027747
10440142112240
1115a732825476
1271376852614
1332674c8a48c
14174355a458c
15b6b0b02a7a
hex667a83a5f0

440142112240 has 40 divisors (see below), whose sum is σ = 1028525018400. Its totient is φ = 175163149056.

The previous prime is 440142112187. The next prime is 440142112283. The reversal of 440142112240 is 42211241044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13948140 + ... + 13979659.

It is an arithmetic number, because the mean of its divisors is an integer number (25713125460).

Almost surely, 2440142112240 is an apocalyptic number.

440142112240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440142112240 is an abundant number, since it is smaller than the sum of its proper divisors (588382906160).

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

440142112240 is a wasteful number, since it uses less digits than its factorization.

440142112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27928009 (or 27928003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 440142112240 its reverse (42211241044), we get a palindrome (482353353284).

The spelling of 440142112240 in words is "four hundred forty billion, one hundred forty-two million, one hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 197 394 788 985 1576 1970 3152 3940 7880 15760 27927799 55855598 111711196 139638995 223422392 279277990 446844784 558555980 1117111960 2234223920 5501776403 11003552806 22007105612 27508882015 44014211224 55017764030 88028422448 110035528060 220071056120 440142112240