625534143234 has 64 divisors (see below), whose sum is σ = 1679756037120. Its totient is φ = 149978214720.

The previous prime is 625534143229. The next prime is 625534143347. The reversal of 625534143234 is 432341435526.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52069764 + ... + 52081775.

It is an arithmetic number, because the mean of its divisors is an integer number (26246188080).

Almost surely, 2^625534143234 is an apocalyptic number.

625534143234 is an abundant number, since it is smaller than the sum of its proper divisors (1054221893886).

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

625534143234 is a wasteful number, since it uses less digits than its factorization.

625534143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104151575.

The product of its digits is 1036800, while the sum is 42.

The spelling of 625534143234 in words is "six hundred twenty-five billion, five hundred thirty-four million, one hundred forty-three thousand, two hundred thirty-four".