445540014 has 64 divisors (see below), whose sum is σ = 1029775680. Its totient is φ = 144446976.

The previous prime is 445539979. The next prime is 445540033. The reversal of 445540014 is 410045544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 445540014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160462 + ... + 163214.

It is an arithmetic number, because the mean of its divisors is an integer number (16090245).

Almost surely, 2^445540014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445540014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514887840).

445540014 is an abundant number, since it is smaller than the sum of its proper divisors (584235666).

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

445540014 is an equidigital number, since it uses as much as digits as its factorization.

445540014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 445540014 is about 21107.8187883069. The cubic root of 445540014 is about 763.7693708719.

Adding to 445540014 its reverse (410045544), we get a palindrome (855585558).

The spelling of 445540014 in words is "four hundred forty-five million, five hundred forty thousand, fourteen".