3644140076 has 6 divisors (see below), whose sum is σ = 6377245140. Its totient is φ = 1822070036.

The previous prime is 3644140069. The next prime is 3644140091. The reversal of 3644140076 is 6700414463.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455517506 + ... + 455517513.

It is an arithmetic number, because the mean of its divisors is an integer number (1062874190).

Almost surely, 2^3644140076 is an apocalyptic number.

It is an amenable number.

3644140076 is a deficient number, since it is larger than the sum of its proper divisors (2733105064).

3644140076 is a wasteful number, since it uses less digits than its factorization.

3644140076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911035023 (or 911035021 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 3644140076 is about 60366.7133112281. The cubic root of 3644140076 is about 1538.8573178521.

The spelling of 3644140076 in words is "three billion, six hundred forty-four million, one hundred forty thousand, seventy-six".