2551042450 has 48 divisors (see below), whose sum is σ = 5184953856. Its totient is φ = 926100800.

The previous prime is 2551042411. The next prime is 2551042513. The reversal of 2551042450 is 542401552.

It is a super-3 number, since 3×2551042450³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355599 + ... + 362701.

It is an arithmetic number, because the mean of its divisors is an integer number (108019872).

Almost surely, 2^2551042450 is an apocalyptic number.

2551042450 is an abundant number, since it is smaller than the sum of its proper divisors (2633911406).

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

2551042450 is a wasteful number, since it uses less digits than its factorization.

2551042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2551042450 is about 50507.8454301903. The cubic root of 2551042450 is about 1366.3833516096.

The spelling of 2551042450 in words is "two billion, five hundred fifty-one million, forty-two thousand, four hundred fifty".