2620632936 has 64 divisors (see below), whose sum is σ = 6765739200. Its totient is φ = 845365248.

The previous prime is 2620632923. The next prime is 2620632947. The reversal of 2620632936 is 6392360262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2620632894 and 2620632903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100840 + ... + 124136.

It is an arithmetic number, because the mean of its divisors is an integer number (105714675).

Almost surely, 2^2620632936 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 2620632936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382869600).

2620632936 is an abundant number, since it is smaller than the sum of its proper divisors (4145106264).

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

2620632936 is a wasteful number, since it uses less digits than its factorization.

2620632936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23458 (or 23454 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 2620632936 is about 51192.1179089125. The cubic root of 2620632936 is about 1378.6966859020.

The spelling of 2620632936 in words is "two billion, six hundred twenty million, six hundred thirty-two thousand, nine hundred thirty-six".