15963247040 has 56 divisors (see below), whose sum is σ = 40936529760. Its totient is φ = 5894120448.

The previous prime is 15963247019. The next prime is 15963247109. The reversal of 15963247040 is 4074236951.

It is a super-4 number, since 4×15963247040⁴ (a number of 42 digits) contains 4444 as substring.

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, 1914500 + ... + 1922819.

It is an arithmetic number, because the mean of its divisors is an integer number (731009460).

Almost surely, 2^15963247040 is an apocalyptic number.

15963247040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15963247040 is an abundant number, since it is smaller than the sum of its proper divisors (24973282720).

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

15963247040 is a wasteful number, since it uses less digits than its factorization.

15963247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837349 (or 3837339 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 15963247040 in words is "fifteen billion, nine hundred sixty-three million, two hundred forty-seven thousand, forty".