2257571117464 has 16 divisors (see below), whose sum is σ = 4558557064320. Its totient is φ = 1041955900320.

The previous prime is 2257571117429. The next prime is 2257571117489. The reversal of 2257571117464 is 4647111757522.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 10853707192 + ... + 10853707399.

It is an arithmetic number, because the mean of its divisors is an integer number (284909816520).

Almost surely, 2^{2257571117464} is an apocalyptic number.

It is an amenable number.

2257571117464 is an abundant number, since it is smaller than the sum of its proper divisors (2300985946856).

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

2257571117464 is a wasteful number, since it uses less digits than its factorization.

2257571117464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707414610 (or 21707414606 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 52.

The spelling of 2257571117464 in words is "two trillion, two hundred fifty-seven billion, five hundred seventy-one million, one hundred seventeen thousand, four hundred sixty-four".