15108040040 has 16 divisors (see below), whose sum is σ = 33993090180. Its totient is φ = 6043216000.

The previous prime is 15108040039. The next prime is 15108040081. The reversal of 15108040040 is 4004080151.

It can be written as a sum of positive squares in 2 ways, for example, as 14275948324 + 832091716 = 119482^2 + 28846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15108039988 and 15108040015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188850461 + ... + 188850540.

Almost surely, 2^15108040040 is an apocalyptic number.

15108040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15108040040 is an abundant number, since it is smaller than the sum of its proper divisors (18885050140).

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

15108040040 is a wasteful number, since it uses less digits than its factorization.

15108040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377701012 (or 377701008 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 15108040040 in words is "fifteen billion, one hundred eight million, forty thousand, forty".