4018400984 has 32 divisors (see below), whose sum is σ = 8333386320. Its totient is φ = 1804519296.

The previous prime is 4018400963. The next prime is 4018400999. The reversal of 4018400984 is 4890048104.

It is a super-2 number, since 2×4018400984² = 32295092936424336512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 518294 + ... + 525989.

Almost surely, 2^4018400984 is an apocalyptic number.

It is an amenable number.

4018400984 is an abundant number, since it is smaller than the sum of its proper divisors (4314985336).

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

4018400984 is a wasteful number, since it uses less digits than its factorization.

4018400984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044339 (or 1044335 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 4018400984 is about 63390.8588362707. The cubic root of 4018400984 is about 1589.8314740361.

The spelling of 4018400984 in words is "four billion, eighteen million, four hundred thousand, nine hundred eighty-four".