4418991984 has 40 divisors (see below), whose sum is σ = 12453524352. Its totient is φ = 1339088320.

The previous prime is 4418991977. The next prime is 4418992007. The reversal of 4418991984 is 4891998144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184124 + ... + 4185179.

Almost surely, 2^4418991984 is an apocalyptic number.

4418991984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4418991984 is an abundant number, since it is smaller than the sum of its proper divisors (8034532368).

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

4418991984 is a wasteful number, since it uses less digits than its factorization.

4418991984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369325 (or 8369319 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The square root of 4418991984 is about 66475.4991256177. The cubic root of 4418991984 is about 1640.9968141865.

The spelling of 4418991984 in words is "four billion, four hundred eighteen million, nine hundred ninety-one thousand, nine hundred eighty-four".