6457122440724 has 12 divisors (see below), whose sum is σ = 15066619028384. Its totient is φ = 2152374146904.

The previous prime is 6457122440687. The next prime is 6457122440731. The reversal of 6457122440724 is 4270442217546.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 269046768352 + ... + 269046768375.

Almost surely, 2^{6457122440724} is an apocalyptic number.

It is an amenable number.

6457122440724 is an abundant number, since it is smaller than the sum of its proper divisors (8609496587660).

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

6457122440724 is a wasteful number, since it uses less digits than its factorization.

6457122440724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538093536734 (or 538093536732 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 48.

The spelling of 6457122440724 in words is "six trillion, four hundred fifty-seven billion, one hundred twenty-two million, four hundred forty thousand, seven hundred twenty-four".