15338890432 has 14 divisors (see below), whose sum is σ = 30438110828. Its totient is φ = 7669445184.

The previous prime is 15338890327. The next prime is 15338890433. The reversal of 15338890432 is 23409883351.

It is a super-2 number, since 2×15338890432² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15338890433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119835018 + ... + 119835145.

Almost surely, 2^15338890432 is an apocalyptic number.

It is an amenable number.

15338890432 is a deficient number, since it is larger than the sum of its proper divisors (15099220396).

15338890432 is an equidigital number, since it uses as much as digits as its factorization.

15338890432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239670175 (or 239670165 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 15338890432 in words is "fifteen billion, three hundred thirty-eight million, eight hundred ninety thousand, four hundred thirty-two".