2257546290 has 16 divisors (see below), whose sum is σ = 5418111168. Its totient is φ = 602012336.

The previous prime is 2257546279. The next prime is 2257546337. The reversal of 2257546290 is 926457522.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37625742 + ... + 37625801.

It is an arithmetic number, because the mean of its divisors is an integer number (338631948).

Almost surely, 2^2257546290 is an apocalyptic number.

2257546290 is an abundant number, since it is smaller than the sum of its proper divisors (3160564878).

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

2257546290 is a wasteful number, since it uses less digits than its factorization.

2257546290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75251553.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 2257546290 is about 47513.6431985593. The cubic root of 2257546290 is about 1311.8340160489.

The spelling of 2257546290 in words is "two billion, two hundred fifty-seven million, five hundred forty-six thousand, two hundred ninety".