2650644360 has 192 divisors, whose sum is σ = 10602708480. Its totient is φ = 559249920.

The previous prime is 2650644331. The next prime is 2650644371. The reversal of 2650644360 is 634460562.

2650644360 is a `hidden beast` number, since 2 + 6 + 5 + 0 + 644 + 3 + 6 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7696 + ... + 73215.

It is an arithmetic number, because the mean of its divisors is an integer number (55222440).

Almost surely, 2^2650644360 is an apocalyptic number.

2650644360 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 2650644360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5301354240).

2650644360 is an abundant number, since it is smaller than the sum of its proper divisors (7952064120).

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

2650644360 is a wasteful number, since it uses less digits than its factorization.

2650644360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80948 (or 80941 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2650644360 is about 51484.4089021133. The cubic root of 2650644360 is about 1383.9396559498.

The spelling of 2650644360 in words is "two billion, six hundred fifty million, six hundred forty-four thousand, three hundred sixty".