15271980432 has 40 divisors (see below), whose sum is σ = 39952026240. Its totient is φ = 5026220160.

The previous prime is 15271980431. The next prime is 15271980439. The reversal of 15271980432 is 23408917251.

It is not an unprimeable number, because it can be changed into a prime (15271980431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009919 + ... + 2017502.

It is an arithmetic number, because the mean of its divisors is an integer number (998800656).

Almost surely, 2^15271980432 is an apocalyptic number.

15271980432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15271980432 is an abundant number, since it is smaller than the sum of its proper divisors (24680045808).

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

15271980432 is a wasteful number, since it uses less digits than its factorization.

15271980432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027511 (or 4027505 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 15271980432 in words is "fifteen billion, two hundred seventy-one million, nine hundred eighty thousand, four hundred thirty-two".