57240202400 has 36 divisors (see below), whose sum is σ = 139737646062. Its totient is φ = 22896080640.

The previous prime is 57240202367. The next prime is 57240202417. The reversal of 57240202400 is 420204275.

It can be written as a sum of positive squares in 3 ways, for example, as 51396517264 + 5843685136 = 226708^2 + 76444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57240202400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35774327 + ... + 35775926.

Almost surely, 2^57240202400 is an apocalyptic number.

57240202400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57240202400 is an abundant number, since it is smaller than the sum of its proper divisors (82497443662).

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

57240202400 is a wasteful number, since it uses less digits than its factorization.

57240202400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71550273 (or 71550260 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

Adding to 57240202400 its reverse (420204275), we get a palindrome (57660406675).

The spelling of 57240202400 in words is "fifty-seven billion, two hundred forty million, two hundred two thousand, four hundred".