625545436422 has 16 divisors (see below), whose sum is σ = 1262568772080. Its totient is φ = 206602162272.

The previous prime is 625545436421. The next prime is 625545436441. The reversal of 625545436422 is 224634545526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625545436421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478245093 + ... + 478246400.

It is an arithmetic number, because the mean of its divisors is an integer number (78910548255).

Almost surely, 2^625545436422 is an apocalyptic number.

625545436422 is an abundant number, since it is smaller than the sum of its proper divisors (637023335658).

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

625545436422 is a wasteful number, since it uses less digits than its factorization.

625545436422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956491607.

The product of its digits is 6912000, while the sum is 48.

The spelling of 625545436422 in words is "six hundred twenty-five billion, five hundred forty-five million, four hundred thirty-six thousand, four hundred twenty-two".