2605292604 has 72 divisors (see below), whose sum is σ = 6822248160. Its totient is φ = 837309312.

The previous prime is 2605292587. The next prime is 2605292629. The reversal of 2605292604 is 4062925062.

2605292604 is a `hidden beast` number, since 2 + 605 + 29 + 26 + 0 + 4 = 666.

2605292604 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1039617 + ... + 1042119.

Almost surely, 2^2605292604 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 2605292604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3411124080).

2605292604 is an abundant number, since it is smaller than the sum of its proper divisors (4216955556).

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

2605292604 is a wasteful number, since it uses less digits than its factorization.

2605292604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2605292604 is about 51042.0670036001. The cubic root of 2605292604 is about 1376.0012725054.

The spelling of 2605292604 in words is "two billion, six hundred five million, two hundred ninety-two thousand, six hundred four".