557400492665960 has 64 divisors (see below), whose sum is σ = 1256487891385680. Its totient is φ = 222544781199360.

The previous prime is 557400492665959. The next prime is 557400492665963. The reversal of 557400492665960 is 69566294004755.

It can be written as a sum of positive squares in 8 ways, for example, as 1288919713636 + 556111572952324 = 1135306^2 + 23582018^2 .

It is not an unprimeable number, because it can be changed into a prime (557400492665963) 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, 1903589324 + ... + 1903882116.

Almost surely, 2^{557400492665960} is an apocalyptic number.

It is an amenable number.

557400492665960 is an abundant number, since it is smaller than the sum of its proper divisors (699087398719720).

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

557400492665960 is a wasteful number, since it uses less digits than its factorization.

557400492665960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381318 (or 381314 counting only the distinct ones).

The product of its (nonzero) digits is 489888000, while the sum is 68.

The spelling of 557400492665960 in words is "five hundred fifty-seven trillion, four hundred billion, four hundred ninety-two million, six hundred sixty-five thousand, nine hundred sixty".