444520214461420 has 48 divisors (see below), whose sum is σ = 963720014035968. Its totient is φ = 172051822514880.

The previous prime is 444520214461403. The next prime is 444520214461429. The reversal of 444520214461420 is 24164412025444.

It is not an unprimeable number, because it can be changed into a prime (444520214461429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37542882 + ... + 47942761.

It is an arithmetic number, because the mean of its divisors is an integer number (20077500292416).

Almost surely, 2^{444520214461420} is an apocalyptic number.

It is an amenable number.

444520214461420 is an abundant number, since it is smaller than the sum of its proper divisors (519199799574548).

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

444520214461420 is a wasteful number, since it uses less digits than its factorization.

444520214461420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85494070 (or 85494068 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 43.

Adding to 444520214461420 its reverse (24164412025444), we get a palindrome (468684626486864).

The spelling of 444520214461420 in words is "four hundred forty-four trillion, five hundred twenty billion, two hundred fourteen million, four hundred sixty-one thousand, four hundred twenty".