557244870 has 128 divisors (see below), whose sum is σ = 1742985216. Its totient is φ = 110647296.

The previous prime is 557244859. The next prime is 557244917. The reversal of 557244870 is 78442755.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40407 + ... + 52413.

It is an arithmetic number, because the mean of its divisors is an integer number (13617072).

Almost surely, 2^557244870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557244870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871492608).

557244870 is an abundant number, since it is smaller than the sum of its proper divisors (1185740346).

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

557244870 is a wasteful number, since it uses less digits than its factorization.

557244870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 557244870 is about 23606.0346098196. The cubic root of 557244870 is about 822.9030898392.

The spelling of 557244870 in words is "five hundred fifty-seven million, two hundred forty-four thousand, eight hundred seventy".