557265740 has 24 divisors (see below), whose sum is σ = 1210613040. Its totient is φ = 215219648.

The previous prime is 557265719. The next prime is 557265743. The reversal of 557265740 is 47562755.

It is not an unprimeable number, because it can be changed into a prime (557265743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479822 + ... + 480981.

It is an arithmetic number, because the mean of its divisors is an integer number (50442210).

Almost surely, 2^557265740 is an apocalyptic number.

It is an amenable number.

557265740 is an abundant number, since it is smaller than the sum of its proper divisors (653347300).

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

557265740 is a wasteful number, since it uses less digits than its factorization.

557265740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960841 (or 960839 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 557265740 is about 23606.4766536643. The cubic root of 557265740 is about 822.9133628652.

The spelling of 557265740 in words is "five hundred fifty-seven million, two hundred sixty-five thousand, seven hundred forty".