2257432215494 has 16 divisors (see below), whose sum is σ = 3388399675440. Its totient is φ = 1127965893120.

The previous prime is 2257432215433. The next prime is 2257432215497. The reversal of 2257432215494 is 4945122347522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257432215497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20206862 + ... + 20318270.

It is an arithmetic number, because the mean of its divisors is an integer number (211774979715).

Almost surely, 2^{2257432215494} is an apocalyptic number.

2257432215494 is a deficient number, since it is larger than the sum of its proper divisors (1130967459946).

2257432215494 is a wasteful number, since it uses less digits than its factorization.

2257432215494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118055.

The product of its digits is 4838400, while the sum is 50.

The spelling of 2257432215494 in words is "two trillion, two hundred fifty-seven billion, four hundred thirty-two million, two hundred fifteen thousand, four hundred ninety-four".