556758883440 has 60 divisors (see below), whose sum is σ = 1869781919304. Its totient is φ = 148469035392.

The previous prime is 556758883409. The next prime is 556758883441. The reversal of 556758883440 is 44388857655.

556758883440 is a `hidden beast` number, since 5 + 5 + 6 + 7 + 588 + 8 + 3 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556758883441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386637394 + ... + 386638833.

Almost surely, 2^556758883440 is an apocalyptic number.

It is an amenable number.

556758883440 is an abundant number, since it is smaller than the sum of its proper divisors (1313023035864).

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

556758883440 is a wasteful number, since it uses less digits than its factorization.

556758883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773276246 (or 773276237 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 63.

The spelling of 556758883440 in words is "five hundred fifty-six billion, seven hundred fifty-eight million, eight hundred eighty-three thousand, four hundred forty".