4002654720 has 80 divisors (see below), whose sum is σ = 12796011360. Its totient is φ = 1067372544.

The previous prime is 4002654673. The next prime is 4002654737. The reversal of 4002654720 is 274562004.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 252910 + ... + 268269.

It is an arithmetic number, because the mean of its divisors is an integer number (159950142).

Almost surely, 2^4002654720 is an apocalyptic number.

4002654720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4002654720 is an abundant number, since it is smaller than the sum of its proper divisors (8793356640).

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

4002654720 is an equidigital number, since it uses as much as digits as its factorization.

4002654720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521205 (or 521189 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 4002654720 is about 63266.5371266675. The cubic root of 4002654720 is about 1587.7521497508.

The spelling of 4002654720 in words is "four billion, two million, six hundred fifty-four thousand, seven hundred twenty".