3980040012 has 36 divisors (see below), whose sum is σ = 10834554640. Its totient is φ = 1224627552.

The previous prime is 3980039989. The next prime is 3980040023. The reversal of 3980040012 is 2100400893.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4251712 + ... + 4252647.

Almost surely, 2^3980040012 is an apocalyptic number.

It is an amenable number.

3980040012 is an abundant number, since it is smaller than the sum of its proper divisors (6854514628).

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

3980040012 is a wasteful number, since it uses less digits than its factorization.

3980040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504382 (or 8504377 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3980040012 is about 63087.5582979719. The cubic root of 3980040012 is about 1584.7562724348.

The spelling of 3980040012 in words is "three billion, nine hundred eighty million, forty thousand, twelve".