2550449136 has 20 divisors (see below), whose sum is σ = 6588660392. Its totient is φ = 850149696.

The previous prime is 2550449131. The next prime is 2550449137. The reversal of 2550449136 is 6319440552.

It is a junction number, because it is equal to n+sod(n) for n = 2550449094 and 2550449103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550449131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26567131 + ... + 26567226.

Almost surely, 2^2550449136 is an apocalyptic number.

It is an amenable number.

2550449136 is an abundant number, since it is smaller than the sum of its proper divisors (4038211256).

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

2550449136 is a wasteful number, since it uses less digits than its factorization.

2550449136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53134368 (or 53134362 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2550449136 is about 50501.9716050770. The cubic root of 2550449136 is about 1366.2774135802.

Adding to 2550449136 its reverse (6319440552), we get a palindrome (8869889688).

The spelling of 2550449136 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, one hundred thirty-six".