8629425520 has 20 divisors (see below), whose sum is σ = 20063414520. Its totient is φ = 3451770176.

The previous prime is 8629425503. The next prime is 8629425521. The reversal of 8629425520 is 255249268.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8629425521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53933830 + ... + 53933989.

It is an arithmetic number, because the mean of its divisors is an integer number (1003170726).

Almost surely, 2^8629425520 is an apocalyptic number.

8629425520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8629425520 is an abundant number, since it is smaller than the sum of its proper divisors (11433989000).

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

8629425520 is a wasteful number, since it uses less digits than its factorization.

8629425520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107867832 (or 107867826 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 8629425520 is about 92894.7012482413. The cubic root of 8629425520 is about 2051.1336596993.

The spelling of 8629425520 in words is "eight billion, six hundred twenty-nine million, four hundred twenty-five thousand, five hundred twenty".