2620995696 has 120 divisors (see below), whose sum is σ = 8027760000. Its totient is φ = 791683200.

The previous prime is 2620995683. The next prime is 2620995721. The reversal of 2620995696 is 6965990262.

2620995696 is a `hidden beast` number, since 2 + 620 + 9 + 9 + 5 + 6 + 9 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521805 + ... + 526803.

It is an arithmetic number, because the mean of its divisors is an integer number (66898000).

Almost surely, 2^2620995696 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 2620995696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4013880000).

2620995696 is an abundant number, since it is smaller than the sum of its proper divisors (5406764304).

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

2620995696 is a wasteful number, since it uses less digits than its factorization.

2620995696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355 (or 5346 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 2620995696 is about 51195.6609098857. The cubic root of 2620995696 is about 1378.7602981345.

The spelling of 2620995696 in words is "two billion, six hundred twenty million, nine hundred ninety-five thousand, six hundred ninety-six".