2563830720 has 168 divisors, whose sum is σ = 9620310960. Its totient is φ = 621527040.

The previous prime is 2563830719. The next prime is 2563830733. The reversal of 2563830720 is 270383652.

2563830720 is a `hidden beast` number, since 256 + 383 + 0 + 7 + 20 = 666.

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

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, 8785 + ... + 72144.

Almost surely, 2^2563830720 is an apocalyptic number.

2563830720 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 2563830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4810155480).

2563830720 is an abundant number, since it is smaller than the sum of its proper divisors (7056480240).

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

2563830720 is a wasteful number, since it uses less digits than its factorization.

2563830720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80963 (or 80950 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2563830720 is about 50634.2840375965. The cubic root of 2563830720 is about 1368.6627546817.

The spelling of 2563830720 in words is "two billion, five hundred sixty-three million, eight hundred thirty thousand, seven hundred twenty".