2999018880 has 576 divisors, whose sum is σ = 12295679760. Its totient is φ = 669081600.

The previous prime is 2999018857. The next prime is 2999018903. The reversal of 2999018880 is 888109992.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2999018857) and next prime (2999018903).

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×2999018880² = 17988228485192908800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9060315 + ... + 9060645.

Almost surely, 2^2999018880 is an apocalyptic number.

2999018880 is a gapful number since it is divisible by the number (20) 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 2999018880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6147839880).

2999018880 is an abundant number, since it is smaller than the sum of its proper divisors (9296660880).

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

2999018880 is a wasteful number, since it uses less digits than its factorization.

2999018880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The square root of 2999018880 is about 54763.2986588646. The cubic root of 2999018880 is about 1442.0923287316.

The spelling of 2999018880 in words is "two billion, nine hundred ninety-nine million, eighteen thousand, eight hundred eighty".