2255431612 has 48 divisors (see below), whose sum is σ = 4727503872. Its totient is φ = 920557440.

The previous prime is 2255431561. The next prime is 2255431631. The reversal of 2255431612 is 2161345522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142537 + ... + 157567.

It is an arithmetic number, because the mean of its divisors is an integer number (98489664).

Almost surely, 2^2255431612 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 2255431612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363751936).

2255431612 is an abundant number, since it is smaller than the sum of its proper divisors (2472072260).

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

2255431612 is a wasteful number, since it uses less digits than its factorization.

2255431612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15298 (or 15296 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2255431612 is about 47491.3846081581. The cubic root of 2255431612 is about 1311.4242831191.

The spelling of 2255431612 in words is "two billion, two hundred fifty-five million, four hundred thirty-one thousand, six hundred twelve".