15662790940 has 48 divisors (see below), whose sum is σ = 33372833760. Its totient is φ = 6173660160.

The previous prime is 15662790883. The next prime is 15662790967. The reversal of 15662790940 is 4909726651.

It is a happy number.

15662790940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1833880 + ... + 1842400.

It is an arithmetic number, because the mean of its divisors is an integer number (695267370).

Almost surely, 2^15662790940 is an apocalyptic number.

15662790940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15662790940 is an abundant number, since it is smaller than the sum of its proper divisors (17710042820).

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

15662790940 is a wasteful number, since it uses less digits than its factorization.

15662790940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862 (or 9860 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 15662790940 in words is "fifteen billion, six hundred sixty-two million, seven hundred ninety thousand, nine hundred forty".