2640560496 has 160 divisors (see below), whose sum is σ = 8329609728. Its totient is φ = 703610880.

The previous prime is 2640560477. The next prime is 2640560509. The reversal of 2640560496 is 6940650462.

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 31 ways as a sum of consecutive naturals, for example, 643411 + ... + 647501.

Almost surely, 2^2640560496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2640560496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4164804864).

2640560496 is an abundant number, since it is smaller than the sum of its proper divisors (5689049232).

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

2640560496 is a wasteful number, since it uses less digits than its factorization.

2640560496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2640560496 is about 51386.3843444934. The cubic root of 2640560496 is about 1382.1824487927.

The spelling of 2640560496 in words is "two billion, six hundred forty million, five hundred sixty thousand, four hundred ninety-six".