2257640430176 has 24 divisors (see below), whose sum is σ = 4553137638504. Its totient is φ = 1101288014080.

The previous prime is 2257640430167. The next prime is 2257640430193. The reversal of 2257640430176 is 6710340467522.

It is a self number, because there is not a number n which added to its sum of digits gives 2257640430176.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860379950 + ... + 860382573.

It is an arithmetic number, because the mean of its divisors is an integer number (189714068271).

Almost surely, 2^{2257640430176} is an apocalyptic number.

It is an amenable number.

2257640430176 is an abundant number, since it is smaller than the sum of its proper divisors (2295497208328).

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

2257640430176 is a wasteful number, since it uses less digits than its factorization.

2257640430176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720762574 (or 1720762566 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

Adding to 2257640430176 its reverse (6710340467522), we get a palindrome (8967980897698).

The spelling of 2257640430176 in words is "two trillion, two hundred fifty-seven billion, six hundred forty million, four hundred thirty thousand, one hundred seventy-six".