2522681504 has 72 divisors (see below), whose sum is σ = 5842628820. Its totient is φ = 1068942336.

The previous prime is 2522681501. The next prime is 2522681531. The reversal of 2522681504 is 4051862252.

It can be written as a sum of positive squares in 2 ways, for example, as 2470090000 + 52591504 = 49700^2 + 7252^2 .

It is not an unprimeable number, because it can be changed into a prime (2522681501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130514 + ... + 148590.

Almost surely, 2^2522681504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522681504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921314410).

2522681504 is an abundant number, since it is smaller than the sum of its proper divisors (3319947316).

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

2522681504 is a wasteful number, since it uses less digits than its factorization.

2522681504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190 (or 18175 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2522681504 is about 50226.3029099296. The cubic root of 2522681504 is about 1361.3009293426.

The spelling of 2522681504 in words is "two billion, five hundred twenty-two million, six hundred eighty-one thousand, five hundred four".