15425428040 has 64 divisors (see below), whose sum is σ = 40089634560. Its totient is φ = 5279288320.

The previous prime is 15425428037. The next prime is 15425428049. The reversal of 15425428040 is 4082452451.

It is not an unprimeable number, because it can be changed into a prime (15425428049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023632 + ... + 1038591.

It is an arithmetic number, because the mean of its divisors is an integer number (626400540).

Almost surely, 2^15425428040 is an apocalyptic number.

15425428040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15425428040 is an abundant number, since it is smaller than the sum of its proper divisors (24664206520).

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

15425428040 is a wasteful number, since it uses less digits than its factorization.

15425428040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062262 (or 2062258 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 15425428040 in words is "fifteen billion, four hundred twenty-five million, four hundred twenty-eight thousand, forty".