2990005056 has 112 divisors (see below), whose sum is σ = 9073774080. Its totient is φ = 964500480.

The previous prime is 2990005019. The next prime is 2990005061. The reversal of 2990005056 is 6505000992.

2990005056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2990005056.

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, 25660 + ... + 81476.

It is an arithmetic number, because the mean of its divisors is an integer number (81015840).

Almost surely, 2^2990005056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2990005056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536887040).

2990005056 is an abundant number, since it is smaller than the sum of its proper divisors (6083769024).

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

2990005056 is a wasteful number, since it uses less digits than its factorization.

2990005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55869 (or 55853 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2990005056 is about 54680.9386898213. The cubic root of 2990005056 is about 1440.6460989540.

The spelling of 2990005056 in words is "two billion, nine hundred ninety million, five thousand, fifty-six".