444001315524522 has 16 divisors (see below), whose sum is σ = 1014860149770432. Its totient is φ = 126857518721280.

The previous prime is 444001315524511. The next prime is 444001315524539. The reversal of 444001315524522 is 225425513100444.

It is a super-2 number, since 2×444001315524522² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 10571459893441 = 444001315524522 / (4 + 4 + 4 + 0 + 0 + 1 + 3 + 1 + 5 + 5 + 2 + 4 + 5 + 2 + 2).

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, 5285729946679 + ... + 5285729946762.

It is an arithmetic number, because the mean of its divisors is an integer number (63428759360652).

Almost surely, 2^{444001315524522} is an apocalyptic number.

444001315524522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444001315524522 is an abundant number, since it is smaller than the sum of its proper divisors (570858834245910).

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

444001315524522 is a wasteful number, since it uses less digits than its factorization.

444001315524522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571459893453.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 444001315524522 its reverse (225425513100444), we get a palindrome (669426828624966).

The spelling of 444001315524522 in words is "four hundred forty-four trillion, one billion, three hundred fifteen million, five hundred twenty-four thousand, five hundred twenty-two".