445444311520425 has 96 divisors (see below), whose sum is σ = 891912057974784. Its totient is φ = 191497656960000.

The previous prime is 445444311520409. The next prime is 445444311520477. The reversal of 445444311520425 is 524025113444544.

It is a happy number.

It is not a de Polignac number, because 445444311520425 - 2⁴ = 445444311520409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9285351 + ... + 31258700.

It is an arithmetic number, because the mean of its divisors is an integer number (9290750603904).

Almost surely, 2^{445444311520425} is an apocalyptic number.

It is an amenable number.

445444311520425 is an abundant number, since it is smaller than the sum of its proper divisors (446467746454359).

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

445444311520425 is a wasteful number, since it uses less digits than its factorization.

445444311520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40545319 (or 40545314 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 48.

Adding to 445444311520425 its reverse (524025113444544), we get a palindrome (969469424964969).

The spelling of 445444311520425 in words is "four hundred forty-five trillion, four hundred forty-four billion, three hundred eleven million, five hundred twenty thousand, four hundred twenty-five".