445562315520 has 432 divisors, whose sum is σ = 1708764115968. Its totient is φ = 98556272640.

The previous prime is 445562315519. The next prime is 445562315531. The reversal of 445562315520 is 25513265544.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 47 ways as a sum of consecutive naturals, for example, 5794767 + ... + 5871153.

Almost surely, 2^445562315520 is an apocalyptic number.

445562315520 is a gapful number since it is divisible by the number (40) 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 445562315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854382057984).

445562315520 is an abundant number, since it is smaller than the sum of its proper divisors (1263201800448).

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

445562315520 is a wasteful number, since it uses less digits than its factorization.

445562315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76456 (or 76435 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 445562315520 in words is "four hundred forty-five billion, five hundred sixty-two million, three hundred fifteen thousand, five hundred twenty".