3994096040 has 32 divisors (see below), whose sum is σ = 9803691360. Its totient is φ = 1452398400.

The previous prime is 3994096033. The next prime is 3994096063. The reversal of 3994096040 is 406904993.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3994095982 and 3994096000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4538306 + ... + 4539185.

It is an arithmetic number, because the mean of its divisors is an integer number (306365355).

Almost surely, 2^3994096040 is an apocalyptic number.

It is an amenable number.

3994096040 is an abundant number, since it is smaller than the sum of its proper divisors (5809595320).

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

3994096040 is a wasteful number, since it uses less digits than its factorization.

3994096040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077513 (or 9077509 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3994096040 is about 63198.8610656869. The cubic root of 3994096040 is about 1586.6196713791.

The spelling of 3994096040 in words is "three billion, nine hundred ninety-four million, ninety-six thousand, forty".