2257901268 has 24 divisors (see below), whose sum is σ = 6021070272. Its totient is φ = 645114624.

The previous prime is 2257901263. The next prime is 2257901279. The reversal of 2257901268 is 8621097522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257901263) 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, 13439805 + ... + 13439972.

It is an arithmetic number, because the mean of its divisors is an integer number (250877928).

Almost surely, 2^2257901268 is an apocalyptic number.

2257901268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2257901268 is an abundant number, since it is smaller than the sum of its proper divisors (3763169004).

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

2257901268 is a wasteful number, since it uses less digits than its factorization.

2257901268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879791 (or 26879789 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2257901268 is about 47517.3785893119. The cubic root of 2257901268 is about 1311.9027703143.

The spelling of 2257901268 in words is "two billion, two hundred fifty-seven million, nine hundred one thousand, two hundred sixty-eight".