15112229040 has 60 divisors (see below), whose sum is σ = 50751904944. Its totient is φ = 4029927552.

The previous prime is 15112229039. The next prime is 15112229047. The reversal of 15112229040 is 4092221151.

15112229040 is a `hidden beast` number, since 1 + 511 + 2 + 22 + 90 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 15112228995 and 15112229013.

It is not an unprimeable number, because it can be changed into a prime (15112229047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10493884 + ... + 10495323.

Almost surely, 2^15112229040 is an apocalyptic number.

15112229040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15112229040 is an abundant number, since it is smaller than the sum of its proper divisors (35639675904).

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

15112229040 is a wasteful number, since it uses less digits than its factorization.

15112229040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20989226 (or 20989217 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 15112229040 in words is "fifteen billion, one hundred twelve million, two hundred twenty-nine thousand, forty".