2564349120 has 168 divisors, whose sum is σ = 9204021216. Its totient is φ = 654077952.

The previous prime is 2564349101. The next prime is 2564349181. The reversal of 2564349120 is 219434652.

It is a happy number.

2564349120 is a `hidden beast` number, since 2 + 5 + 643 + 4 + 9 + 1 + 2 + 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 23 ways as a sum of consecutive naturals, for example, 46884 + ... + 85596.

Almost surely, 2^2564349120 is an apocalyptic number.

2564349120 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 2564349120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4602010608).

2564349120 is an abundant number, since it is smaller than the sum of its proper divisors (6639672096).

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

2564349120 is a wasteful number, since it uses less digits than its factorization.

2564349120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38759 (or 38746 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2564349120 is about 50639.4028400810. The cubic root of 2564349120 is about 1368.7549951654.

The spelling of 2564349120 in words is "two billion, five hundred sixty-four million, three hundred forty-nine thousand, one hundred twenty".