2255918364 has 120 divisors (see below), whose sum is σ = 6759873120. Its totient is φ = 642639744.

The previous prime is 2255918363. The next prime is 2255918383. The reversal of 2255918364 is 4638195522.

2255918364 is a `hidden beast` number, since 2 + 25 + 591 + 8 + 36 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255918363) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 880974 + ... + 883530.

It is an arithmetic number, because the mean of its divisors is an integer number (56332276).

Almost surely, 2^2255918364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255918364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379936560).

2255918364 is an abundant number, since it is smaller than the sum of its proper divisors (4503954756).

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

2255918364 is a wasteful number, since it uses less digits than its factorization.

2255918364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2958 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 2255918364 is about 47496.5089664493. The cubic root of 2255918364 is about 1311.5186172403.

The spelling of 2255918364 in words is "two billion, two hundred fifty-five million, nine hundred eighteen thousand, three hundred sixty-four".