2663880940 has 48 divisors (see below), whose sum is σ = 6729811200. Its totient is φ = 865259712.

The previous prime is 2663880931. The next prime is 2663880941. The reversal of 2663880940 is 490883662.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2663880941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498070 + ... + 503389.

It is an arithmetic number, because the mean of its divisors is an integer number (140204400).

Almost surely, 2^2663880940 is an apocalyptic number.

2663880940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663880940 is an abundant number, since it is smaller than the sum of its proper divisors (4065930260).

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

2663880940 is a wasteful number, since it uses less digits than its factorization.

2663880940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001494 (or 1001492 counting only the distinct ones).

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

The square root of 2663880940 is about 51612.7982190464. The cubic root of 2663880940 is about 1386.2395017097.

The spelling of 2663880940 in words is "two billion, six hundred sixty-three million, eight hundred eighty thousand, nine hundred forty".