4569311920 has 40 divisors (see below), whose sum is σ = 10989988560. Its totient is φ = 1764698880.

The previous prime is 4569311917. The next prime is 4569311939. The reversal of 4569311920 is 291139654.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4569311920² = 41757222844508172800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982446 + ... + 987085.

It is an arithmetic number, because the mean of its divisors is an integer number (274749714).

Almost surely, 2^4569311920 is an apocalyptic number.

4569311920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4569311920 is an abundant number, since it is smaller than the sum of its proper divisors (6420676640).

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

4569311920 is a wasteful number, since it uses less digits than its factorization.

4569311920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969573 (or 1969567 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4569311920 is about 67596.6857175705. The cubic root of 4569311920 is about 1659.3968777171.

The spelling of 4569311920 in words is "four billion, five hundred sixty-nine million, three hundred eleven thousand, nine hundred twenty".