4685531920 has 20 divisors (see below), whose sum is σ = 10893861900. Its totient is φ = 1874212736.

The previous prime is 4685531887. The next prime is 4685531951. The reversal of 4685531920 is 291355864.

It can be written as a sum of positive squares in 2 ways, for example, as 1226680576 + 3458851344 = 35024^2 + 58812^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29284495 + ... + 29284654.

It is an arithmetic number, because the mean of its divisors is an integer number (544693095).

Almost surely, 2^4685531920 is an apocalyptic number.

4685531920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4685531920 is an abundant number, since it is smaller than the sum of its proper divisors (6208329980).

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

4685531920 is a wasteful number, since it uses less digits than its factorization.

4685531920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58569162 (or 58569156 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 4685531920 is about 68450.9453550497. The cubic root of 4685531920 is about 1673.3481206223.

The spelling of 4685531920 in words is "four billion, six hundred eighty-five million, five hundred thirty-one thousand, nine hundred twenty".