556905109360 has 80 divisors (see below), whose sum is σ = 1400139063936. Its totient is φ = 205197553664.

The previous prime is 556905109297. The next prime is 556905109363. The reversal of 556905109360 is 63901509655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556905109363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4292347 + ... + 4420186.

Almost surely, 2^556905109360 is an apocalyptic number.

It is an amenable number.

556905109360 is an abundant number, since it is smaller than the sum of its proper divisors (843233954576).

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

556905109360 is a wasteful number, since it uses less digits than its factorization.

556905109360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712610 (or 8712604 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 49.

The spelling of 556905109360 in words is "five hundred fifty-six billion, nine hundred five million, one hundred nine thousand, three hundred sixty".