4570720640 has 64 divisors (see below), whose sum is σ = 11569664160. Its totient is φ = 1720737792.

The previous prime is 4570720639. The next prime is 4570720697. The reversal of 4570720640 is 460270754.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 4570720640.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 199172 + ... + 220931.

Almost surely, 2^4570720640 is an apocalyptic number.

4570720640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4570720640 is an abundant number, since it is smaller than the sum of its proper divisors (6998943520).

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

4570720640 is a wasteful number, since it uses less digits than its factorization.

4570720640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420139 (or 420127 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 4570720640 is about 67607.1049520685. The cubic root of 4570720640 is about 1659.5673910184.

The spelling of 4570720640 in words is "four billion, five hundred seventy million, seven hundred twenty thousand, six hundred forty".