2640882804 has 48 divisors (see below), whose sum is σ = 7054363008. Its totient is φ = 753251328.

The previous prime is 2640882779. The next prime is 2640882877. The reversal of 2640882804 is 4082880462.

2640882804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2640882804³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 23304 + ... + 76320.

It is an arithmetic number, because the mean of its divisors is an integer number (146965896).

Almost surely, 2^2640882804 is an apocalyptic number.

It is an amenable number.

2640882804 is an abundant number, since it is smaller than the sum of its proper divisors (4413480204).

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

2640882804 is a wasteful number, since it uses less digits than its factorization.

2640882804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53624 (or 53622 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 2640882804 is about 51389.5203713753. The cubic root of 2640882804 is about 1382.2386831082.

The spelling of 2640882804 in words is "two billion, six hundred forty million, eight hundred eighty-two thousand, eight hundred four".