1264490660424 has 64 divisors (see below), whose sum is σ = 3263429652480. Its totient is φ = 407871720000.

The previous prime is 1264490660383. The next prime is 1264490660471. The reversal of 1264490660424 is 4240660944621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12337309 + ... + 12439379.

It is an arithmetic number, because the mean of its divisors is an integer number (50991088320).

Almost surely, 2^{1264490660424} is an apocalyptic number.

It is an amenable number.

1264490660424 is an abundant number, since it is smaller than the sum of its proper divisors (1998938992056).

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

1264490660424 is a wasteful number, since it uses less digits than its factorization.

1264490660424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118762 (or 118758 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 1264490660424 in words is "one trillion, two hundred sixty-four billion, four hundred ninety million, six hundred sixty thousand, four hundred twenty-four".