5185144450 has 24 divisors (see below), whose sum is σ = 9752740740. Its totient is φ = 2050752000.

The previous prime is 5185144439. The next prime is 5185144463. The reversal of 5185144450 is 544415815.

It can be written as a sum of positive squares in 6 ways, for example, as 2185282009 + 2999862441 = 46747^2 + 54771^2 .

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 11 ways as a sum of consecutive naturals, for example, 578151 + ... + 587050.

Almost surely, 2^5185144450 is an apocalyptic number.

5185144450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5185144450 is a deficient number, since it is larger than the sum of its proper divisors (4567596290).

5185144450 is a wasteful number, since it uses less digits than its factorization.

5185144450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165302 (or 1165297 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 5185144450 is about 72007.9471308549. The cubic root of 5185144450 is about 1730.8268347602.

The spelling of 5185144450 in words is "five billion, one hundred eighty-five million, one hundred forty-four thousand, four hundred fifty".