2550449146 has 32 divisors (see below), whose sum is σ = 4575139200. Its totient is φ = 1043430336.

The previous prime is 2550449137. The next prime is 2550449147. The reversal of 2550449146 is 6419440552.

It is a junction number, because it is equal to n+sod(n) for n = 2550449099 and 2550449108.

It is not an unprimeable number, because it can be changed into a prime (2550449147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18996 + ... + 73903.

It is an arithmetic number, because the mean of its divisors is an integer number (142973100).

Almost surely, 2^2550449146 is an apocalyptic number.

2550449146 is a deficient number, since it is larger than the sum of its proper divisors (2024690054).

2550449146 is a wasteful number, since it uses less digits than its factorization.

2550449146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92998.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2550449146 is about 50501.9717040830. The cubic root of 2550449146 is about 1366.2774153659.

Adding to 2550449146 its reverse (6419440552), we get a palindrome (8969889698).

The spelling of 2550449146 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, one hundred forty-six".