2640102696 has 192 divisors, whose sum is σ = 9222595200. Its totient is φ = 662054400.

The previous prime is 2640102653. The next prime is 2640102697. The reversal of 2640102696 is 6962010462.

2640102696 is a `hidden beast` number, since 2 + 640 + 1 + 0 + 2 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2640102696.

It is not an unprimeable number, because it can be changed into a prime (2640102697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152566 + ... + 168986.

It is an arithmetic number, because the mean of its divisors is an integer number (48034350).

Almost surely, 2^2640102696 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 2640102696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611297600).

2640102696 is an abundant number, since it is smaller than the sum of its proper divisors (6582492504).

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

2640102696 is a wasteful number, since it uses less digits than its factorization.

2640102696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16480 (or 16473 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2640102696 is about 51381.9296640366. The cubic root of 2640102696 is about 1382.1025668008.

The spelling of 2640102696 in words is "two billion, six hundred forty million, one hundred two thousand, six hundred ninety-six".