2642644660424 has 48 divisors (see below), whose sum is σ = 5167661175600. Its totient is φ = 1266242612544.

The previous prime is 2642644660363. The next prime is 2642644660433. The reversal of 2642644660424 is 4240664462462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401114 + ... + 2333705.

It is an arithmetic number, because the mean of its divisors is an integer number (107659607825).

Almost surely, 2^{2642644660424} is an apocalyptic number.

It is an amenable number.

2642644660424 is a deficient number, since it is larger than the sum of its proper divisors (2525016515176).

2642644660424 is a wasteful number, since it uses less digits than its factorization.

2642644660424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734974 (or 2734917 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 50.

The spelling of 2642644660424 in words is "two trillion, six hundred forty-two billion, six hundred forty-four million, six hundred sixty thousand, four hundred twenty-four".