445472300320 has 96 divisors (see below), whose sum is σ = 1114511611248. Its totient is φ = 167680770048.

The previous prime is 445472300311. The next prime is 445472300333. The reversal of 445472300320 is 23003274544.

It can be written as a sum of positive squares in 8 ways, for example, as 399004462224 + 46467838096 = 631668^2 + 215564^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 30394114 + ... + 30408766.

Almost surely, 2^445472300320 is an apocalyptic number.

445472300320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445472300320 is an abundant number, since it is smaller than the sum of its proper divisors (669039310928).

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

445472300320 is a wasteful number, since it uses less digits than its factorization.

445472300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25854 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

Adding to 445472300320 its reverse (23003274544), we get a palindrome (468475574864).

The spelling of 445472300320 in words is "four hundred forty-five billion, four hundred seventy-two million, three hundred thousand, three hundred twenty".