2940490864 has 50 divisors (see below), whose sum is σ = 5916691000. Its totient is φ = 1415668320.

The previous prime is 2940490843. The next prime is 2940490877. The reversal of 2940490864 is 4680940492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14776237 + ... + 14776435.

It is an arithmetic number, because the mean of its divisors is an integer number (118333820).

Almost surely, 2^2940490864 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 2940490864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958345500).

2940490864 is an abundant number, since it is smaller than the sum of its proper divisors (2976200136).

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

2940490864 is an frugal number, since it uses more digits than its factorization.

2940490864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 2940490864 is about 54226.2931058357. The cubic root of 2940490864 is about 1432.6494744364.

The spelling of 2940490864 in words is "two billion, nine hundred forty million, four hundred ninety thousand, eight hundred sixty-four".