15079409040 has 160 divisors (see below), whose sum is σ = 48860087040. Its totient is φ = 3839920128.

The previous prime is 15079409039. The next prime is 15079409057. The reversal of 15079409040 is 4090497051.

It is a self number, because there is not a number n which added to its sum of digits gives 15079409040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3911754 + ... + 3915606.

It is an arithmetic number, because the mean of its divisors is an integer number (305375544).

Almost surely, 2^15079409040 is an apocalyptic number.

15079409040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15079409040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24430043520).

15079409040 is an abundant number, since it is smaller than the sum of its proper divisors (33780678000).

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

15079409040 is a wasteful number, since it uses less digits than its factorization.

15079409040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 15079409040 in words is "fifteen billion, seventy-nine million, four hundred nine thousand, forty".