3235640655 has 64 divisors (see below), whose sum is σ = 5798596608. Its totient is φ = 1529902080.

The previous prime is 3235640647. The next prime is 3235640669. The reversal of 3235640655 is 5560465323.

It is not a de Polignac number, because 3235640655 - 2³ = 3235640647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 826212 + ... + 830118.

It is an arithmetic number, because the mean of its divisors is an integer number (90603072).

Almost surely, 2^3235640655 is an apocalyptic number.

3235640655 is a deficient number, since it is larger than the sum of its proper divisors (2562955953).

3235640655 is a wasteful number, since it uses less digits than its factorization.

3235640655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 3235640655 is about 56882.6920512734. The cubic root of 3235640655 is about 1479.0633004838.

The spelling of 3235640655 in words is "three billion, two hundred thirty-five million, six hundred forty thousand, six hundred fifty-five".