3255605136 has 480 divisors, whose sum is σ = 11484764928. Its totient is φ = 873400320.

The previous prime is 3255605131. The next prime is 3255605147. The reversal of 3255605136 is 6315065523.

3255605136 is a `hidden beast` number, since 32 + 5 + 5 + 605 + 13 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3255605136.

It is not an unprimeable number, because it can be changed into a prime (3255605131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53370546 + ... + 53370606.

Almost surely, 2^3255605136 is an apocalyptic number.

3255605136 is a gapful number since it is divisible by the number (36) 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 3255605136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5742382464).

3255605136 is an abundant number, since it is smaller than the sum of its proper divisors (8229159792).

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

3255605136 is a wasteful number, since it uses less digits than its factorization.

3255605136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 3255605136 is about 57057.9103718319. The cubic root of 3255605136 is about 1482.0990935068.

The spelling of 3255605136 in words is "three billion, two hundred fifty-five million, six hundred five thousand, one hundred thirty-six".