3640260959 has 8 divisors (see below), whose sum is σ = 3662568000. Its totient is φ = 3617978400.

The previous prime is 3640260937. The next prime is 3640261013. The reversal of 3640260959 is 9590620463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3640260959 - 2¹⁶ = 3640195423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640260919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356789 + ... + 366849.

It is an arithmetic number, because the mean of its divisors is an integer number (457821000).

Almost surely, 2^3640260959 is an apocalyptic number.

3640260959 is a deficient number, since it is larger than the sum of its proper divisors (22307041).

3640260959 is a wasteful number, since it uses less digits than its factorization.

3640260959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 3640260959 is about 60334.5751538867. The cubic root of 3640260959 is about 1538.3110959893.

The spelling of 3640260959 in words is "three billion, six hundred forty million, two hundred sixty thousand, nine hundred fifty-nine".