2650855680 has 576 divisors, whose sum is σ = 10831564800. Its totient is φ = 607150080.

The previous prime is 2650855657. The next prime is 2650855703. The reversal of 2650855680 is 865580562.

2650855680 is a `hidden beast` number, since 2 + 6 + 5 + 0 + 85 + 568 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2650855657) and next prime (2650855703).

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7222857 + ... + 7223223.

It is an arithmetic number, because the mean of its divisors is an integer number (18804800).

Almost surely, 2^2650855680 is an apocalyptic number.

2650855680 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 2650855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5415782400).

2650855680 is an abundant number, since it is smaller than the sum of its proper divisors (8180709120).

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

2650855680 is a wasteful number, since it uses less digits than its factorization.

2650855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 2650855680 is about 51486.4611330008. The cubic root of 2650855680 is about 1383.9764327126.

The spelling of 2650855680 in words is "two billion, six hundred fifty million, eight hundred fifty-five thousand, six hundred eighty".