557859840 has 88 divisors (see below), whose sum is σ = 1784328960. Its totient is φ = 148758528.

The previous prime is 557859829. The next prime is 557859853. The reversal of 557859840 is 48958755.

It is a super-2 number, since 2×557859840² = 622415202169651200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 33519.

Almost surely, 2^557859840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557859840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892164480).

557859840 is an abundant number, since it is smaller than the sum of its proper divisors (1226469120).

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

557859840 is a wasteful number, since it uses less digits than its factorization.

557859840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36347 (or 36329 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The square root of 557859840 is about 23619.0567127479. The cubic root of 557859840 is about 823.2056944889.

The spelling of 557859840 in words is "five hundred fifty-seven million, eight hundred fifty-nine thousand, eight hundred forty".