557156040 has 64 divisors (see below), whose sum is σ = 1910252160. Its totient is φ = 127349760.

The previous prime is 557156029. The next prime is 557156059. The reversal of 557156040 is 40651755.

It is a junction number, because it is equal to n+sod(n) for n = 557155992 and 557156010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330801 + ... + 332480.

It is an arithmetic number, because the mean of its divisors is an integer number (29847690).

Almost surely, 2^557156040 is an apocalyptic number.

It is an amenable number.

557156040 is an abundant number, since it is smaller than the sum of its proper divisors (1353096120).

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

557156040 is a wasteful number, since it uses less digits than its factorization.

557156040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663302 (or 663298 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 557156040 is about 23604.1530244150. The cubic root of 557156040 is about 822.8593613876.

The spelling of 557156040 in words is "five hundred fifty-seven million, one hundred fifty-six thousand, forty".