2255633536 has 80 divisors (see below), whose sum is σ = 4875992190. Its totient is φ = 1039374336.

The previous prime is 2255633521. The next prime is 2255633599. The reversal of 2255633536 is 6353365522.

It can be written as a sum of positive squares in 5 ways, for example, as 926593600 + 1329039936 = 30440^2 + 36456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3655500 + ... + 3656116.

Almost surely, 2^2255633536 is an apocalyptic number.

2255633536 is a gapful number since it is divisible by the number (26) 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 2255633536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2437996095).

2255633536 is an abundant number, since it is smaller than the sum of its proper divisors (2620358654).

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

2255633536 is an frugal number, since it uses more digits than its factorization.

2255633536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 632 counting only the distinct ones).

The product of its digits is 486000, while the sum is 40.

The square root of 2255633536 is about 47493.5104619568. The cubic root of 2255633536 is about 1311.4634182944.

The spelling of 2255633536 in words is "two billion, two hundred fifty-five million, six hundred thirty-three thousand, five hundred thirty-six".