4664642044020 has 96 divisors (see below), whose sum is σ = 14931735119616. Its totient is φ = 1065855283200.

The previous prime is 4664642044003. The next prime is 4664642044021. The reversal of 4664642044020 is 204402464664.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664642044021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528541 + ... + 3099780.

It is an arithmetic number, because the mean of its divisors is an integer number (155538907496).

Almost surely, 2^{4664642044020} is an apocalyptic number.

It is an amenable number.

4664642044020 is an abundant number, since it is smaller than the sum of its proper divisors (10267093075596).

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

4664642044020 is a wasteful number, since it uses less digits than its factorization.

4664642044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631401 (or 3631399 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 4664642044020 in words is "four trillion, six hundred sixty-four billion, six hundred forty-two million, forty-four thousand, twenty".