15625349240 has 32 divisors (see below), whose sum is σ = 35638645680. Its totient is φ = 6164520192.

The previous prime is 15625349237. The next prime is 15625349261. The reversal of 15625349240 is 4294352651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672654 + ... + 2678493.

Almost surely, 2^15625349240 is an apocalyptic number.

15625349240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15625349240 is an abundant number, since it is smaller than the sum of its proper divisors (20013296440).

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

15625349240 is a wasteful number, since it uses less digits than its factorization.

15625349240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351231 (or 5351227 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 15625349240 in words is "fifteen billion, six hundred twenty-five million, three hundred forty-nine thousand, two hundred forty".