625552245424 has 20 divisors (see below), whose sum is σ = 1216615877136. Its totient is φ = 311586857792.

The previous prime is 625552245397. The next prime is 625552245433. The reversal of 625552245424 is 424542255526.

It is a super-2 number, since 2×625552245424² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 74324719 + ... + 74333134.

Almost surely, 2^625552245424 is an apocalyptic number.

It is an amenable number.

625552245424 is a deficient number, since it is larger than the sum of its proper divisors (591063631712).

625552245424 is a wasteful number, since it uses less digits than its factorization.

625552245424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148658124 (or 148658118 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 46.

The spelling of 625552245424 in words is "six hundred twenty-five billion, five hundred fifty-two million, two hundred forty-five thousand, four hundred twenty-four".