3641138928 has 60 divisors (see below), whose sum is σ = 11645868208. Its totient is φ = 1040325120.

The previous prime is 3641138903. The next prime is 3641138933. The reversal of 3641138928 is 8298311463.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805113 + ... + 1807128.

Almost surely, 2^3641138928 is an apocalyptic number.

It is an amenable number.

3641138928 is an abundant number, since it is smaller than the sum of its proper divisors (8004729280).

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

3641138928 is a wasteful number, since it uses less digits than its factorization.

3641138928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612262 (or 3612253 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3641138928 is about 60341.8505516694. The cubic root of 3641138928 is about 1538.4347575348.

The spelling of 3641138928 in words is "three billion, six hundred forty-one million, one hundred thirty-eight thousand, nine hundred twenty-eight".