557070426 has 64 divisors (see below), whose sum is σ = 1360972800. Its totient is φ = 167497200.

The previous prime is 557070421. The next prime is 557070427. The reversal of 557070426 is 624070755.

It is not an unprimeable number, because it can be changed into a prime (557070421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74235 + ... + 81393.

It is an arithmetic number, because the mean of its divisors is an integer number (21265200).

Almost surely, 2^557070426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557070426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680486400).

557070426 is an abundant number, since it is smaller than the sum of its proper divisors (803902374).

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

557070426 is a wasteful number, since it uses less digits than its factorization.

557070426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312 (or 7306 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 557070426 is about 23602.3394179475. The cubic root of 557070426 is about 822.8172116814.

The spelling of 557070426 in words is "five hundred fifty-seven million, seventy thousand, four hundred twenty-six".