15100939840 has 56 divisors (see below), whose sum is σ = 41096135232. Its totient is φ = 5177464320.

The previous prime is 15100939817. The next prime is 15100939927. The reversal of 15100939840 is 4893900151.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 15100939793 and 15100939802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368506 + ... + 3372985.

Almost surely, 2^15100939840 is an apocalyptic number.

15100939840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15100939840 is an abundant number, since it is smaller than the sum of its proper divisors (25995195392).

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

15100939840 is an equidigital number, since it uses as much as digits as its factorization.

15100939840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741515 (or 6741505 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 15100939840 in words is "fifteen billion, one hundred million, nine hundred thirty-nine thousand, eight hundred forty".