4450000521252 has 72 divisors (see below), whose sum is σ = 12291016537408. Its totient is φ = 1244755385280.

The previous prime is 4450000521227. The next prime is 4450000521257. The reversal of 4450000521252 is 2521250000544.

It is not an unprimeable number, because it can be changed into a prime (4450000521257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117855688 + ... + 117893439.

Almost surely, 2^{4450000521252} is an apocalyptic number.

It is an amenable number.

4450000521252 is an abundant number, since it is smaller than the sum of its proper divisors (7841016016156).

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

4450000521252 is a wasteful number, since it uses less digits than its factorization.

4450000521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235749169 (or 235749156 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 4450000521252 its reverse (2521250000544), we get a palindrome (6971250521796).

The spelling of 4450000521252 in words is "four trillion, four hundred fifty billion, five hundred twenty-one thousand, two hundred fifty-two".