2522152440 has 48 divisors (see below), whose sum is σ = 8196996600. Its totient is φ = 672573888.

The previous prime is 2522152439. The next prime is 2522152447. The reversal of 2522152440 is 442512252.

2522152440 is a `hidden beast` number, since 2 + 5 + 2 + 215 + 2 + 440 = 666.

It is a super-2 number, since 2×2522152440² = 12722505861195907200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522152447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3502630 + ... + 3503349.

Almost surely, 2^2522152440 is an apocalyptic number.

2522152440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522152440 is an abundant number, since it is smaller than the sum of its proper divisors (5674844160).

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

2522152440 is a wasteful number, since it uses less digits than its factorization.

2522152440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005996 (or 7005989 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2522152440 is about 50221.0358316114. The cubic root of 2522152440 is about 1361.2057573774.

Adding to 2522152440 its reverse (442512252), we get a palindrome (2964664692).

The spelling of 2522152440 in words is "two billion, five hundred twenty-two million, one hundred fifty-two thousand, four hundred forty".