2650782720 has 352 divisors, whose sum is σ = 9243924480. Its totient is φ = 645857280.

The previous prime is 2650782709. The next prime is 2650782721. The reversal of 2650782720 is 272870562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650782721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9046894 + ... + 9047186.

Almost surely, 2^2650782720 is an apocalyptic number.

2650782720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2650782720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4621962240).

2650782720 is an abundant number, since it is smaller than the sum of its proper divisors (6593141760).

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

2650782720 is a wasteful number, since it uses less digits than its factorization.

2650782720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2650782720 is about 51485.7525923434. The cubic root of 2650782720 is about 1383.9637354481.

The spelling of 2650782720 in words is "two billion, six hundred fifty million, seven hundred eighty-two thousand, seven hundred twenty".