2256571488 has 24 divisors (see below), whose sum is σ = 5923500408. Its totient is φ = 752190464.

The previous prime is 2256571481. The next prime is 2256571523. The reversal of 2256571488 is 8841756522.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2256571488² = 10184229760909068288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256571481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11752881 + ... + 11753072.

It is an arithmetic number, because the mean of its divisors is an integer number (246812517).

Almost surely, 2^2256571488 is an apocalyptic number.

It is an amenable number.

2256571488 is an abundant number, since it is smaller than the sum of its proper divisors (3666928920).

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

2256571488 is a wasteful number, since it uses less digits than its factorization.

2256571488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23505966 (or 23505958 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 2256571488 is about 47503.3839636715. The cubic root of 2256571488 is about 1311.6451734797.

The spelling of 2256571488 in words is "two billion, two hundred fifty-six million, five hundred seventy-one thousand, four hundred eighty-eight".