2442644020664 has 32 divisors (see below), whose sum is σ = 4897380366000. Its totient is φ = 1138098547200.

The previous prime is 2442644020633. The next prime is 2442644020673. The reversal of 2442644020664 is 4660204462442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88900214 + ... + 88927685.

Almost surely, 2^{2442644020664} is an apocalyptic number.

It is an amenable number.

2442644020664 is an abundant number, since it is smaller than the sum of its proper divisors (2454736345336).

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

2442644020664 is a wasteful number, since it uses less digits than its factorization.

2442644020664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177828023 (or 177828019 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 2442644020664 in words is "two trillion, four hundred forty-two billion, six hundred forty-four million, twenty thousand, six hundred sixty-four".