445371849648 has 360 divisors, whose sum is σ = 1392656385120. Its totient is φ = 132751872000.

The previous prime is 445371849641. The next prime is 445371849679. The reversal of 445371849648 is 846948173544.

445371849648 is a `hidden beast` number, since 4 + 4 + 537 + 1 + 8 + 4 + 96 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (445371849641) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 286780840 + ... + 286782392.

Almost surely, 2^445371849648 is an apocalyptic number.

445371849648 is a gapful number since it is divisible by the number (48) 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 445371849648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696328192560).

445371849648 is an abundant number, since it is smaller than the sum of its proper divisors (947284535472).

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

445371849648 is a wasteful number, since it uses less digits than its factorization.

445371849648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1829 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 445371849648 in words is "four hundred forty-five billion, three hundred seventy-one million, eight hundred forty-nine thousand, six hundred forty-eight".