2256371040 has 384 divisors, whose sum is σ = 9083612160. Its totient is φ = 457113600.

The previous prime is 2256371003. The next prime is 2256371057. The reversal of 2256371040 is 401736522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2256370989 and 2256371007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1514616 + ... + 1516104.

It is an arithmetic number, because the mean of its divisors is an integer number (23655240).

Almost surely, 2^2256371040 is an apocalyptic number.

2256371040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256371040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4541806080).

2256371040 is an abundant number, since it is smaller than the sum of its proper divisors (6827241120).

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

2256371040 is a wasteful number, since it uses less digits than its factorization.

2256371040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2256371040 is about 47501.2740881758. The cubic root of 2256371040 is about 1311.6063351449.

The spelling of 2256371040 in words is "two billion, two hundred fifty-six million, three hundred seventy-one thousand, forty".