4002891000 has 64 divisors (see below), whose sum is σ = 12489029280. Its totient is φ = 1067436800.

The previous prime is 4002890989. The next prime is 4002891017. The reversal of 4002891000 is 1982004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664149 + ... + 670148.

Almost surely, 2^4002891000 is an apocalyptic number.

4002891000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4002891000 is an abundant number, since it is smaller than the sum of its proper divisors (8486138280).

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

4002891000 is a wasteful number, since it uses less digits than its factorization.

4002891000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334321 (or 1334307 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4002891000 is about 63268.4044369700. The cubic root of 4002891000 is about 1587.7833912412.

The spelling of 4002891000 in words is "four billion, two million, eight hundred ninety-one thousand".