2553622340 has 24 divisors (see below), whose sum is σ = 5507543832. Its totient is φ = 993841920.

The previous prime is 2553622339. The next prime is 2553622349. The reversal of 2553622340 is 432263552.

It can be written as a sum of positive squares in 4 ways, for example, as 126877696 + 2426744644 = 11264^2 + 49262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2553622297 and 2553622306.

It is not an unprimeable number, because it can be changed into a prime (2553622349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724681 + ... + 1726160.

It is an arithmetic number, because the mean of its divisors is an integer number (229480993).

Almost surely, 2^2553622340 is an apocalyptic number.

2553622340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553622340 is an abundant number, since it is smaller than the sum of its proper divisors (2953921492).

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

2553622340 is a wasteful number, since it uses less digits than its factorization.

2553622340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450887 (or 3450885 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2553622340 is about 50533.3784740344. The cubic root of 2553622340 is about 1366.8438079595.

Adding to 2553622340 its reverse (432263552), we get a palindrome (2985885892).

The spelling of 2553622340 in words is "two billion, five hundred fifty-three million, six hundred twenty-two thousand, three hundred forty".