2605446252 has 18 divisors (see below), whose sum is σ = 6585989228. Its totient is φ = 868482072.

The previous prime is 2605446169. The next prime is 2605446271. The reversal of 2605446252 is 2526445062.

2605446252 is a `hidden beast` number, since 2 + 6 + 0 + 544 + 62 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 72373507 = 2605446252 / (2 + 6 + 0 + 5 + 4 + 4 + 6 + 2 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36186718 + ... + 36186789.

Almost surely, 2^2605446252 is an apocalyptic number.

It is an amenable number.

2605446252 is an abundant number, since it is smaller than the sum of its proper divisors (3980542976).

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

2605446252 is a wasteful number, since it uses less digits than its factorization.

2605446252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72373517 (or 72373512 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2605446252 is about 51043.5720928698. The cubic root of 2605446252 is about 1376.0283220182.

The spelling of 2605446252 in words is "two billion, six hundred five million, four hundred forty-six thousand, two hundred fifty-two".