252438518034 has 56 divisors (see below), whose sum is σ = 567891282252. Its totient is φ = 84121817760.

The previous prime is 252438517999. The next prime is 252438518039. The reversal of 252438518034 is 430815834252.

252438518034 is a `hidden beast` number, since 2 + 5 + 2 + 438 + 5 + 180 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 249635133225 + 2803384809 = 499635^2 + 52947^2 .

It is not an unprimeable number, because it can be changed into a prime (252438518039) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5419524 + ... + 5465904.

Almost surely, 2^252438518034 is an apocalyptic number.

252438518034 is an abundant number, since it is smaller than the sum of its proper divisors (315452764218).

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

252438518034 is an equidigital number, since it uses as much as digits as its factorization.

252438518034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50134 (or 50119 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 252438518034 in words is "two hundred fifty-two billion, four hundred thirty-eight million, five hundred eighteen thousand, thirty-four".