15428127432 has 32 divisors (see below), whose sum is σ = 39298063680. Its totient is φ = 5045676480.

The previous prime is 15428127401. The next prime is 15428127439. The reversal of 15428127432 is 23472182451.

It is a happy number.

15428127432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15428127439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6063244 + ... + 6065787.

It is an arithmetic number, because the mean of its divisors is an integer number (1228064490).

Almost surely, 2^15428127432 is an apocalyptic number.

15428127432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15428127432 is an abundant number, since it is smaller than the sum of its proper divisors (23869936248).

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

15428127432 is a wasteful number, since it uses less digits than its factorization.

15428127432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129093 (or 12129089 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The spelling of 15428127432 in words is "fifteen billion, four hundred twenty-eight million, one hundred twenty-seven thousand, four hundred thirty-two".