4242451144 has 32 divisors (see below), whose sum is σ = 8136427320. Its totient is φ = 2073051136.

The previous prime is 4242451139. The next prime is 4242451181. The reversal of 4242451144 is 4411542424.

It can be written as a sum of positive squares in 4 ways, for example, as 3815532900 + 426918244 = 61770^2 + 20662^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89502 + ... + 128434.

Almost surely, 2^4242451144 is an apocalyptic number.

It is an amenable number.

4242451144 is a deficient number, since it is larger than the sum of its proper divisors (3893976176).

4242451144 is a wasteful number, since it uses less digits than its factorization.

4242451144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39249 (or 39245 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 4242451144 is about 65134.1012373703. The cubic root of 4242451144 is about 1618.8462984229.

Adding to 4242451144 its reverse (4411542424), we get a palindrome (8653993568).

The spelling of 4242451144 in words is "four billion, two hundred forty-two million, four hundred fifty-one thousand, one hundred forty-four".