4568671920 has 80 divisors (see below), whose sum is σ = 14333582592. Its totient is φ = 1203628800.

The previous prime is 4568671909. The next prime is 4568671927. The reversal of 4568671920 is 291768654.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4568671920² = 41745526225192972800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4568671920.

It is not an unprimeable number, because it can be changed into a prime (4568671927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94756 + ... + 134595.

Almost surely, 2^4568671920 is an apocalyptic number.

4568671920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4568671920 is an abundant number, since it is smaller than the sum of its proper divisors (9764910672).

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

4568671920 is a wasteful number, since it uses less digits than its factorization.

4568671920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229450 (or 229444 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 4568671920 is about 67591.9515918870. The cubic root of 4568671920 is about 1659.3193997068.

The spelling of 4568671920 in words is "four billion, five hundred sixty-eight million, six hundred seventy-one thousand, nine hundred twenty".