15150255640 has 64 divisors (see below), whose sum is σ = 37402948800. Its totient is φ = 5488384512.

The previous prime is 15150255623. The next prime is 15150255689. The reversal of 15150255640 is 4655205151.

It is a junction number, because it is equal to n+sod(n) for n = 15150255596 and 15150255605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247300 + ... + 302419.

It is an arithmetic number, because the mean of its divisors is an integer number (584421075).

Almost surely, 2^15150255640 is an apocalyptic number.

15150255640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15150255640 is an abundant number, since it is smaller than the sum of its proper divisors (22252693160).

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

15150255640 is a wasteful number, since it uses less digits than its factorization.

15150255640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549796 (or 549792 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 15150255640 in words is "fifteen billion, one hundred fifty million, two hundred fifty-five thousand, six hundred forty".