2522404340 has 24 divisors (see below), whose sum is σ = 5479707240. Its totient is φ = 974169728.

The previous prime is 2522404331. The next prime is 2522404343. The reversal of 2522404340 is 434042252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160833124 + 2361571216 = 12682^2 + 48596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522404343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173907 + ... + 2175066.

It is an arithmetic number, because the mean of its divisors is an integer number (228321135).

Almost surely, 2^2522404340 is an apocalyptic number.

2522404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522404340 is an abundant number, since it is smaller than the sum of its proper divisors (2957302900).

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

2522404340 is a wasteful number, since it uses less digits than its factorization.

2522404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349011 (or 4349009 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2522404340 is about 50223.5436822214. The cubic root of 2522404340 is about 1361.2510726816.

Adding to 2522404340 its reverse (434042252), we get a palindrome (2956446592).

The spelling of 2522404340 in words is "two billion, five hundred twenty-two million, four hundred four thousand, three hundred forty".