557346040 has 16 divisors (see below), whose sum is σ = 1254028680. Its totient is φ = 222938400.

The previous prime is 557346017. The next prime is 557346043. The reversal of 557346040 is 40643755.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 557345987 and 557346005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557346043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6966786 + ... + 6966865.

Almost surely, 2^557346040 is an apocalyptic number.

It is an amenable number.

557346040 is an abundant number, since it is smaller than the sum of its proper divisors (696682640).

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

557346040 is a wasteful number, since it uses less digits than its factorization.

557346040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13933662 (or 13933658 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 557346040 is about 23608.1773968259. The cubic root of 557346040 is about 822.9528872576.

Adding to 557346040 its reverse (40643755), we get a palindrome (597989795).

The spelling of 557346040 in words is "five hundred fifty-seven million, three hundred forty-six thousand, forty".