15140657850 has 48 divisors (see below), whose sum is σ = 38843629920. Its totient is φ = 3898283200.

The previous prime is 15140657837. The next prime is 15140657891. The reversal of 15140657850 is 5875604151.

15140657850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1735956 + ... + 1744655.

It is an arithmetic number, because the mean of its divisors is an integer number (809242290).

Almost surely, 2^15140657850 is an apocalyptic number.

15140657850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15140657850 is an abundant number, since it is smaller than the sum of its proper divisors (23702972070).

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

15140657850 is a wasteful number, since it uses less digits than its factorization.

15140657850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480655 (or 3480650 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 15140657850 in words is "fifteen billion, one hundred forty million, six hundred fifty-seven thousand, eight hundred fifty".