2640168048 has 40 divisors (see below), whose sum is σ = 7794782848. Its totient is φ = 754333632.

The previous prime is 2640167947. The next prime is 2640168053. The reversal of 2640168048 is 8408610462.

2640168048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2640167997 and 2640168015.

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, 3928486 + ... + 3929157.

Almost surely, 2^2640168048 is an apocalyptic number.

2640168048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2640168048 is an abundant number, since it is smaller than the sum of its proper divisors (5154614800).

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

2640168048 is a wasteful number, since it uses less digits than its factorization.

2640168048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857661 (or 7857655 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 2640168048 is about 51382.5656035196. The cubic root of 2640168048 is about 1382.1139707033.

It can be divided in two parts, 26401 and 68048, that added together give a palindrome (94449).

The spelling of 2640168048 in words is "two billion, six hundred forty million, one hundred sixty-eight thousand, forty-eight".