3999026880 has 168 divisors, whose sum is σ = 13882268400. Its totient is φ = 1056540672.

The previous prime is 3999026749. The next prime is 3999026893. The reversal of 3999026880 is 886209993.

3999026880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307551 + ... + 320289.

It is an arithmetic number, because the mean of its divisors is an integer number (82632550).

Almost surely, 2^3999026880 is an apocalyptic number.

3999026880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3999026880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6941134200).

3999026880 is an abundant number, since it is smaller than the sum of its proper divisors (9883241520).

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

3999026880 is a wasteful number, since it uses less digits than its factorization.

3999026880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871 (or 12858 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3999026880 is about 63237.8595463192. The cubic root of 3999026880 is about 1587.2723138852.

The spelling of 3999026880 in words is "three billion, nine hundred ninety-nine million, twenty-six thousand, eight hundred eighty".