3988400963418 has 24 divisors (see below), whose sum is σ = 8651984709888. Its totient is φ = 1327859404872.

The previous prime is 3988400963381. The next prime is 3988400963441. The reversal of 3988400963418 is 8143690048893.

3988400963418 is a `hidden beast` number, since 3 + 98 + 8 + 40 + 0 + 96 + 3 + 418 = 666.

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, 133949946 + ... + 133979717.

It is an arithmetic number, because the mean of its divisors is an integer number (360499362912).

Almost surely, 2^{3988400963418} is an apocalyptic number.

3988400963418 is an abundant number, since it is smaller than the sum of its proper divisors (4663583746470).

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

3988400963418 is a wasteful number, since it uses less digits than its factorization.

3988400963418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267930498 (or 267930495 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 3988400963418 in words is "three trillion, nine hundred eighty-eight billion, four hundred million, nine hundred sixty-three thousand, four hundred eighteen".