3609406260 has 144 divisors (see below), whose sum is σ = 11370078720. Its totient is φ = 925827840.

The previous prime is 3609406253. The next prime is 3609406319. The reversal of 3609406260 is 626049063.

3609406260 is a `hidden beast` number, since 3 + 609 + 40 + 6 + 2 + 6 + 0 = 666.

3609406260 is digitally balanced in base 2, because in such base 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 47 ways as a sum of consecutive naturals, for example, 963471 + ... + 967209.

It is an arithmetic number, because the mean of its divisors is an integer number (78958880).

Almost surely, 2^3609406260 is an apocalyptic number.

3609406260 is a gapful number since it is divisible by the number (30) 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 3609406260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5685039360).

3609406260 is an abundant number, since it is smaller than the sum of its proper divisors (7760672460).

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

3609406260 is a wasteful number, since it uses less digits than its factorization.

3609406260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3609406260 is about 60078.3343643946. The cubic root of 3609406260 is about 1533.9525382980.

The spelling of 3609406260 in words is "three billion, six hundred nine million, four hundred six thousand, two hundred sixty".