444545422035420 has 96 divisors (see below), whose sum is σ = 1291338348552000. Its totient is φ = 114129712779264.

The previous prime is 444545422035353. The next prime is 444545422035497. The reversal of 444545422035420 is 24530224545444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444545422035420.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 365418349 + ... + 366632868.

It is an arithmetic number, because the mean of its divisors is an integer number (13451441130750).

Almost surely, 2^{444545422035420} is an apocalyptic number.

It is an amenable number.

444545422035420 is an abundant number, since it is smaller than the sum of its proper divisors (846792926516580).

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

444545422035420 is a wasteful number, since it uses less digits than its factorization.

444545422035420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732051607 (or 732051605 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 48.

The spelling of 444545422035420 in words is "four hundred forty-four trillion, five hundred forty-five billion, four hundred twenty-two million, thirty-five thousand, four hundred twenty".