2923881040 has 20 divisors (see below), whose sum is σ = 6798023604. Its totient is φ = 1169552384.

The previous prime is 2923880977. The next prime is 2923881041. The reversal of 2923881040 is 401883292.

It can be written as a sum of positive squares in 2 ways, for example, as 1069028416 + 1854852624 = 32696^2 + 43068^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923881041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18274177 + ... + 18274336.

Almost surely, 2^2923881040 is an apocalyptic number.

2923881040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2923881040 is an abundant number, since it is smaller than the sum of its proper divisors (3874142564).

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

2923881040 is a wasteful number, since it uses less digits than its factorization.

2923881040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548526 (or 36548520 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2923881040 is about 54072.9233535602. The cubic root of 2923881040 is about 1429.9468642130.

The spelling of 2923881040 in words is "two billion, nine hundred twenty-three million, eight hundred eighty-one thousand, forty".