4020644616 has 16 divisors (see below), whose sum is σ = 10051611600. Its totient is φ = 1340214864.

The previous prime is 4020644599. The next prime is 4020644633. The reversal of 4020644616 is 6164460204.

4020644616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4020644599) and next prime (4020644633).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83763406 + ... + 83763453.

It is an arithmetic number, because the mean of its divisors is an integer number (628225725).

Almost surely, 2^4020644616 is an apocalyptic number.

It is an amenable number.

4020644616 is an abundant number, since it is smaller than the sum of its proper divisors (6030966984).

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

4020644616 is a wasteful number, since it uses less digits than its factorization.

4020644616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167526868 (or 167526864 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 4020644616 is about 63408.5531769966. The cubic root of 4020644616 is about 1590.1273075550.

The spelling of 4020644616 in words is "four billion, twenty million, six hundred forty-four thousand, six hundred sixteen".