4520144250 has 80 divisors (see below), whose sum is σ = 12640388904. Its totient is φ = 1205366400.

The previous prime is 4520144243. The next prime is 4520144269. The reversal of 4520144250 is 524410254.

It can be written as a sum of positive squares in 4 ways, for example, as 2216432241 + 2303712009 = 47079^2 + 47997^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91359 + ... + 131858.

Almost surely, 2^4520144250 is an apocalyptic number.

4520144250 is an abundant number, since it is smaller than the sum of its proper divisors (8120244654).

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

4520144250 is a wasteful number, since it uses less digits than its factorization.

4520144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223246 (or 223227 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4520144250 is about 67232.0180420014. The cubic root of 4520144250 is about 1653.4234704785.

The spelling of 4520144250 in words is "four billion, five hundred twenty million, one hundred forty-four thousand, two hundred fifty".