557536140 has 72 divisors (see below), whose sum is σ = 1932796320. Its totient is φ = 127436544.

The previous prime is 557536129. The next prime is 557536141. The reversal of 557536140 is 41635755.

557536140 is a `hidden beast` number, since 557 + 5 + 3 + 61 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 557536095 and 557536104.

It is not an unprimeable number, because it can be changed into a prime (557536141) 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, 219985 + ... + 222504.

Almost surely, 2^557536140 is an apocalyptic number.

It is an amenable number.

557536140 is an abundant number, since it is smaller than the sum of its proper divisors (1375260180).

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

557536140 is a wasteful number, since it uses less digits than its factorization.

557536140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442511 (or 442506 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 557536140 is about 23612.2032008875. The cubic root of 557536140 is about 823.0464410820.

The spelling of 557536140 in words is "five hundred fifty-seven million, five hundred thirty-six thousand, one hundred forty".