457229981538 has 54 divisors (see below), whose sum is σ = 1088987884257. Its totient is φ = 138544977120.

The previous prime is 457229981521. The next prime is 457229981543. The reversal of 457229981538 is 835189922754.

457229981538 is a `hidden beast` number, since 4 + 5 + 7 + 2 + 2 + 9 + 98 + 1 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 389454627969 + 67775353569 = 624063^2 + 260337^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=478137.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31549798 + ... + 31564286.

Almost surely, 2^457229981538 is an apocalyptic number.

457229981538 is an abundant number, since it is smaller than the sum of its proper divisors (631757902719).

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

457229981538 is an equidigital number, since it uses as much as digits as its factorization.

457229981538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29008 (or 14505 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 457229981538 in words is "four hundred fifty-seven billion, two hundred twenty-nine million, nine hundred eighty-one thousand, five hundred thirty-eight".