12404000815 has 16 divisors (see below), whose sum is σ = 15011568000. Its totient is φ = 9839049472.

The previous prime is 12404000801. The next prime is 12404000839. The reversal of 12404000815 is 51800040421.

It is a cyclic number.

It is not a de Polignac number, because 12404000815 - 2¹¹ = 12403998767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12404000815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256161 + ... + 300709.

It is an arithmetic number, because the mean of its divisors is an integer number (938223000).

Almost surely, 2^12404000815 is an apocalyptic number.

12404000815 is the 55687-th decagonal number.

12404000815 is a deficient number, since it is larger than the sum of its proper divisors (2607567185).

12404000815 is a wasteful number, since it uses less digits than its factorization.

12404000815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45026.

The product of its (nonzero) digits is 1280, while the sum is 25.

The spelling of 12404000815 in words is "twelve billion, four hundred four million, eight hundred fifteen", and thus it is an aban number.