444545422023504 has 80 divisors (see below), whose sum is σ = 1187621653698560. Its totient is φ = 143139588359040.

The previous prime is 444545422023481. The next prime is 444545422023541. The reversal of 444545422023504 is 405320224545444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272269834 + ... + 273897705.

It is an arithmetic number, because the mean of its divisors is an integer number (14845270671232).

Almost surely, 2^{444545422023504} is an apocalyptic number.

It is an amenable number.

444545422023504 is an abundant number, since it is smaller than the sum of its proper divisors (743076231675056).

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

444545422023504 is a wasteful number, since it uses less digits than its factorization.

444545422023504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546168128 (or 546168122 counting only the distinct ones).

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

Adding to 444545422023504 its reverse (405320224545444), we get a palindrome (849865646568948).

The spelling of 444545422023504 in words is "four hundred forty-four trillion, five hundred forty-five billion, four hundred twenty-two million, twenty-three thousand, five hundred four".