2251594780 has 12 divisors (see below), whose sum is σ = 4728349080. Its totient is φ = 900637904.

The previous prime is 2251594693. The next prime is 2251594799. The reversal of 2251594780 is 874951522.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56289850 + ... + 56289889.

It is an arithmetic number, because the mean of its divisors is an integer number (394029090).

Almost surely, 2^2251594780 is an apocalyptic number.

2251594780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251594780 is an abundant number, since it is smaller than the sum of its proper divisors (2476754300).

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

2251594780 is a wasteful number, since it uses less digits than its factorization.

2251594780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112579748 (or 112579746 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2251594780 is about 47450.9723820282. The cubic root of 2251594780 is about 1310.6802170218.

The spelling of 2251594780 in words is "two billion, two hundred fifty-one million, five hundred ninety-four thousand, seven hundred eighty".