3916039640 has 32 divisors (see below), whose sum is σ = 8813076480. Its totient is φ = 1566062592.

The previous prime is 3916039619. The next prime is 3916039657. The reversal of 3916039640 is 469306193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237752 + ... + 253688.

It is an arithmetic number, because the mean of its divisors is an integer number (275408640).

Almost surely, 2^3916039640 is an apocalyptic number.

It is an amenable number.

3916039640 is an abundant number, since it is smaller than the sum of its proper divisors (4897036840).

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

3916039640 is a wasteful number, since it uses less digits than its factorization.

3916039640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091 (or 22087 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 3916039640 is about 62578.2681128201. The cubic root of 3916039640 is about 1576.2158600032.

The spelling of 3916039640 in words is "three billion, nine hundred sixteen million, thirty-nine thousand, six hundred forty".