445342212744 has 128 divisors (see below), whose sum is σ = 1308536570880. Its totient is φ = 124519968000.

The previous prime is 445342212697. The next prime is 445342212871. The reversal of 445342212744 is 447212243544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445342212696 and 445342212705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8729599 + ... + 8780465.

It is an arithmetic number, because the mean of its divisors is an integer number (10222941960).

Almost surely, 2^445342212744 is an apocalyptic number.

445342212744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445342212744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654268285440).

445342212744 is an abundant number, since it is smaller than the sum of its proper divisors (863194358136).

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

445342212744 is a wasteful number, since it uses less digits than its factorization.

445342212744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53451 (or 53447 counting only the distinct ones).

The product of its digits is 860160, while the sum is 42.

The spelling of 445342212744 in words is "four hundred forty-five billion, three hundred forty-two million, two hundred twelve thousand, seven hundred forty-four".