556420020364 has 72 divisors (see below), whose sum is σ = 1058325676128. Its totient is φ = 255855075840.

The previous prime is 556420020311. The next prime is 556420020367. The reversal of 556420020364 is 463020024655.

It is not an unprimeable number, because it can be changed into a prime (556420020367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266611329 + ... + 266613415.

It is an arithmetic number, because the mean of its divisors is an integer number (14698967724).

Almost surely, 2^556420020364 is an apocalyptic number.

It is an amenable number.

556420020364 is a deficient number, since it is larger than the sum of its proper divisors (501905655764).

556420020364 is a wasteful number, since it uses less digits than its factorization.

556420020364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 556420020364 in words is "five hundred fifty-six billion, four hundred twenty million, twenty thousand, three hundred sixty-four".