445620531312 has 360 divisors, whose sum is σ = 1394583376368. Its totient is φ = 131720601600.

The previous prime is 445620531311. The next prime is 445620531331. The reversal of 445620531312 is 213135026544.

445620531312 is a `hidden beast` number, since 4 + 4 + 5 + 620 + 5 + 3 + 13 + 12 = 666.

445620531312 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445620531311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1058480862 + ... + 1058481282.

Almost surely, 2^445620531312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445620531312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697291688184).

445620531312 is an abundant number, since it is smaller than the sum of its proper divisors (948962845056).

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

445620531312 is a wasteful number, since it uses less digits than its factorization.

445620531312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 445620531312 its reverse (213135026544), we get a palindrome (658755557856).

The spelling of 445620531312 in words is "four hundred forty-five billion, six hundred twenty million, five hundred thirty-one thousand, three hundred twelve".