2257536280 has 32 divisors (see below), whose sum is σ = 5097430800. Its totient is φ = 899819136.

The previous prime is 2257536277. The next prime is 2257536283. The reversal of 2257536280 is 826357522.

It is an interprime number because it is at equal distance from previous prime (2257536277) and next prime (2257536283).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257536283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88395 + ... + 111034.

Almost surely, 2^2257536280 is an apocalyptic number.

2257536280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257536280 is an abundant number, since it is smaller than the sum of its proper divisors (2839894520).

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

2257536280 is a wasteful number, since it uses less digits than its factorization.

2257536280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199723 (or 199719 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2257536280 is about 47513.5378602773. The cubic root of 2257536280 is about 1311.8320771477.

The spelling of 2257536280 in words is "two billion, two hundred fifty-seven million, five hundred thirty-six thousand, two hundred eighty".