444521522552 has 32 divisors (see below), whose sum is σ = 928953651600. Its totient is φ = 198176776704.

The previous prime is 444521522539. The next prime is 444521522587. The reversal of 444521522552 is 255225125444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86011643 + ... + 86016810.

Almost surely, 2^444521522552 is an apocalyptic number.

It is an amenable number.

444521522552 is an abundant number, since it is smaller than the sum of its proper divisors (484432129048).

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

444521522552 is a wasteful number, since it uses less digits than its factorization.

444521522552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172028495 (or 172028491 counting only the distinct ones).

The product of its digits is 640000, while the sum is 41.

Adding to 444521522552 its reverse (255225125444), we get a palindrome (699746647996).

The spelling of 444521522552 in words is "four hundred forty-four billion, five hundred twenty-one million, five hundred twenty-two thousand, five hundred fifty-two".