15140020250 has 128 divisors (see below), whose sum is σ = 30779633664. Its totient is φ = 5559840000.

The previous prime is 15140020241. The next prime is 15140020261. The reversal of 15140020250 is 5202004151.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27984980 + ... + 27985520.

It is an arithmetic number, because the mean of its divisors is an integer number (240465888).

Almost surely, 2^15140020250 is an apocalyptic number.

15140020250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15140020250 is an abundant number, since it is smaller than the sum of its proper divisors (15639613414).

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

15140020250 is a wasteful number, since it uses less digits than its factorization.

15140020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 15140020250 in words is "fifteen billion, one hundred forty million, twenty thousand, two hundred fifty".