2660844280 has 32 divisors (see below), whose sum is σ = 6071228640. Its totient is φ = 1049345920.

The previous prime is 2660844271. The next prime is 2660844311. The reversal of 2660844280 is 824480662.

2660844280 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 (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465619 + ... + 471298.

It is an arithmetic number, because the mean of its divisors is an integer number (189725895).

Almost surely, 2^2660844280 is an apocalyptic number.

2660844280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660844280 is an abundant number, since it is smaller than the sum of its proper divisors (3410384360).

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

2660844280 is a wasteful number, since it uses less digits than its factorization.

2660844280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936999 (or 936995 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2660844280 is about 51583.3721270721. The cubic root of 2660844280 is about 1385.7125589156.

The spelling of 2660844280 in words is "two billion, six hundred sixty million, eight hundred forty-four thousand, two hundred eighty".