3944417835942 has 24 divisors (see below), whose sum is σ = 8546561294544. Its totient is φ = 1314756306864.

The previous prime is 3944417835929. The next prime is 3944417835949. The reversal of 3944417835942 is 2495387144493.

3944417835942 is a `hidden beast` number, since 3 + 9 + 4 + 441 + 78 + 35 + 94 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3944417835942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944417835949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3644938 + ... + 4601565.

It is an arithmetic number, because the mean of its divisors is an integer number (356106720606).

Almost surely, 2^{3944417835942} is an apocalyptic number.

3944417835942 is an abundant number, since it is smaller than the sum of its proper divisors (4602143458602).

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

3944417835942 is a wasteful number, since it uses less digits than its factorization.

3944417835942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273084 (or 8273081 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 3944417835942 in words is "three trillion, nine hundred forty-four billion, four hundred seventeen million, eight hundred thirty-five thousand, nine hundred forty-two".