557002638460 has 48 divisors (see below), whose sum is σ = 1284802444800. Its totient is φ = 201897520704.

The previous prime is 557002638419. The next prime is 557002638461. The reversal of 557002638460 is 64836200755.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 557002638460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557002638461) 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, 31856400 + ... + 31873879.

It is an arithmetic number, because the mean of its divisors is an integer number (26766717600).

Almost surely, 2^557002638460 is an apocalyptic number.

It is an amenable number.

557002638460 is an abundant number, since it is smaller than the sum of its proper divisors (727799806340).

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

557002638460 is a wasteful number, since it uses less digits than its factorization.

557002638460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63730330 (or 63730328 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 557002638460 in words is "five hundred fifty-seven billion, two million, six hundred thirty-eight thousand, four hundred sixty".