3940496644 has 24 divisors (see below), whose sum is σ = 7883527680. Its totient is φ = 1688241216.

The previous prime is 3940496617. The next prime is 3940496653. The reversal of 3940496644 is 4466940493.

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 7 ways as a sum of consecutive naturals, for example, 73104 + ... + 115000.

It is an arithmetic number, because the mean of its divisors is an integer number (328480320).

Almost surely, 2^3940496644 is an apocalyptic number.

It is an amenable number.

3940496644 is an abundant number, since it is smaller than the sum of its proper divisors (3943031036).

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

3940496644 is a wasteful number, since it uses less digits than its factorization.

3940496644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45267 (or 45265 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The square root of 3940496644 is about 62773.3752796518. The cubic root of 3940496644 is about 1579.4903879097.

The spelling of 3940496644 in words is "three billion, nine hundred forty million, four hundred ninety-six thousand, six hundred forty-four".