5257579257042 has 48 divisors (see below), whose sum is σ = 12242812037472. Its totient is φ = 1500827771520.

The previous prime is 5257579257023. The next prime is 5257579257043. The reversal of 5257579257042 is 2407529757525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5257579257043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7631959 + ... + 8292282.

It is an arithmetic number, because the mean of its divisors is an integer number (255058584114).

Almost surely, 2^{5257579257042} is an apocalyptic number.

5257579257042 is an abundant number, since it is smaller than the sum of its proper divisors (6985232780430).

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

5257579257042 is a wasteful number, since it uses less digits than its factorization.

5257579257042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925383 (or 15925376 counting only the distinct ones).

The product of its (nonzero) digits is 61740000, while the sum is 60.

The spelling of 5257579257042 in words is "five trillion, two hundred fifty-seven billion, five hundred seventy-nine million, two hundred fifty-seven thousand, forty-two".