4520644002 has 48 divisors (see below), whose sum is σ = 11219382720. Its totient is φ = 1288681056.

The previous prime is 4520643991. The next prime is 4520644003. The reversal of 4520644002 is 2004460254.

It is not an unprimeable number, because it can be changed into a prime (4520644003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15324 + ... + 96312.

It is an arithmetic number, because the mean of its divisors is an integer number (233737140).

Almost surely, 2^4520644002 is an apocalyptic number.

4520644002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4520644002 is an abundant number, since it is smaller than the sum of its proper divisors (6698738718).

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

4520644002 is a wasteful number, since it uses less digits than its factorization.

4520644002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81447 (or 81444 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4520644002 is about 67235.7345613179. The cubic root of 4520644002 is about 1653.4844029909.

The spelling of 4520644002 in words is "four billion, five hundred twenty million, six hundred forty-four thousand, two".