4451332240252 has 24 divisors (see below), whose sum is σ = 8248263957360. Its totient is φ = 2094691971840.

The previous prime is 4451332240213. The next prime is 4451332240261. The reversal of 4451332240252 is 2520422331544.

It is a happy number.

It is a congruent number.

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, 1974727 + ... + 3578017.

It is an arithmetic number, because the mean of its divisors is an integer number (343677664890).

Almost surely, 2^{4451332240252} is an apocalyptic number.

It is an amenable number.

4451332240252 is a deficient number, since it is larger than the sum of its proper divisors (3796931717108).

4451332240252 is a wasteful number, since it uses less digits than its factorization.

4451332240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644141 (or 1644139 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 4451332240252 its reverse (2520422331544), we get a palindrome (6971754571796).

The spelling of 4451332240252 in words is "four trillion, four hundred fifty-one billion, three hundred thirty-two million, two hundred forty thousand, two hundred fifty-two".