557440030 has 96 divisors (see below), whose sum is σ = 1259758656. Its totient is φ = 173365248.

The previous prime is 557440027. The next prime is 557440033. The reversal of 557440030 is 30044755.

557440030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (557440027) and next prime (557440033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557440033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1000512 + ... + 1001068.

It is an arithmetic number, because the mean of its divisors is an integer number (13122486).

Almost surely, 2^557440030 is an apocalyptic number.

557440030 is an abundant number, since it is smaller than the sum of its proper divisors (702318626).

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

557440030 is a wasteful number, since it uses less digits than its factorization.

557440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 557440030 is about 23610.1679367174. The cubic root of 557440030 is about 822.9991451708. Note that the first 3 decimals are identical.

Adding to 557440030 its reverse (30044755), we get a palindrome (587484785).

The spelling of 557440030 in words is "five hundred fifty-seven million, four hundred forty thousand, thirty".