3943641360 has 80 divisors (see below), whose sum is σ = 12232520640. Its totient is φ = 1051015680.

The previous prime is 3943641343. The next prime is 3943641379. The reversal of 3943641360 is 631463493.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519190 + ... + 526730.

It is an arithmetic number, because the mean of its divisors is an integer number (152906508).

Almost surely, 2^3943641360 is an apocalyptic number.

3943641360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3943641360 is an abundant number, since it is smaller than the sum of its proper divisors (8288879280).

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

3943641360 is a wasteful number, since it uses less digits than its factorization.

3943641360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736 (or 9730 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 3943641360 is about 62798.4184514228. The cubic root of 3943641360 is about 1579.9104473091.

The spelling of 3943641360 in words is "three billion, nine hundred forty-three million, six hundred forty-one thousand, three hundred sixty".