2256529400 has 48 divisors (see below), whose sum is σ = 5250099240. Its totient is φ = 901980800.

The previous prime is 2256529349. The next prime is 2256529403. The reversal of 2256529400 is 49256522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256529403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372395 + ... + 378405.

Almost surely, 2^2256529400 is an apocalyptic number.

2256529400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256529400 is an abundant number, since it is smaller than the sum of its proper divisors (2993569840).

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

2256529400 is a wasteful number, since it uses less digits than its factorization.

2256529400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2256529400 is about 47502.9409615868. The cubic root of 2256529400 is about 1311.6370187982.

The spelling of 2256529400 in words is "two billion, two hundred fifty-six million, five hundred twenty-nine thousand, four hundred".