2251594800 has 960 divisors, whose sum is σ = 10332672000. Its totient is φ = 452874240.

The previous prime is 2251594799. The next prime is 2251594817. The reversal of 2251594800 is 84951522.

2251594800 is a `hidden beast` number, since 2 + 25 + 159 + 480 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28501161 + ... + 28501239.

It is an arithmetic number, because the mean of its divisors is an integer number (10763200).

Almost surely, 2^2251594800 is an apocalyptic number.

2251594800 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 2251594800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166336000).

2251594800 is an abundant number, since it is smaller than the sum of its proper divisors (8081077200).

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

2251594800 is a wasteful number, since it uses less digits than its factorization.

2251594800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2251594800 is about 47450.9725927720. The cubic root of 2251594800 is about 1310.6802209025.

The spelling of 2251594800 in words is "two billion, two hundred fifty-one million, five hundred ninety-four thousand, eight hundred".