556440464507 has 4 divisors (see below), whose sum is σ = 556455758880. Its totient is φ = 556425170136.

The previous prime is 556440464497. The next prime is 556440464509. The reversal of 556440464507 is 705464044655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556440464507 - 2⁴ = 556440464491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556440464509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7592483 + ... + 7665420.

It is an arithmetic number, because the mean of its divisors is an integer number (139113939720).

Almost surely, 2^556440464507 is an apocalyptic number.

556440464507 is a deficient number, since it is larger than the sum of its proper divisors (15294373).

556440464507 is a wasteful number, since it uses less digits than its factorization.

556440464507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294372.

The product of its (nonzero) digits is 8064000, while the sum is 50.

The spelling of 556440464507 in words is "five hundred fifty-six billion, four hundred forty million, four hundred sixty-four thousand, five hundred seven".