4520644004 has 24 divisors (see below), whose sum is σ = 8193138240. Its totient is φ = 2179922976.

The previous prime is 4520644003. The next prime is 4520644031. The reversal of 4520644004 is 4004460254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 7 ways as a sum of consecutive naturals, for example, 83729 + ... + 126695.

It is an arithmetic number, because the mean of its divisors is an integer number (341380760).

Almost surely, 2^4520644004 is an apocalyptic number.

It is an amenable number.

4520644004 is a deficient number, since it is larger than the sum of its proper divisors (3672494236).

4520644004 is a wasteful number, since it uses less digits than its factorization.

4520644004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43907 (or 43905 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 4520644004 is about 67235.7345761910. The cubic root of 4520644004 is about 1653.4844032347.

The spelling of 4520644004 in words is "four billion, five hundred twenty million, six hundred forty-four thousand, four".