444213516 has 24 divisors (see below), whose sum is σ = 1061779824. Its totient is φ = 144459520.

The previous prime is 444213499. The next prime is 444213563. The reversal of 444213516 is 615312444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450945 + ... + 451928.

It is an arithmetic number, because the mean of its divisors is an integer number (44240826).

Almost surely, 2^444213516 is an apocalyptic number.

It is an amenable number.

444213516 is an abundant number, since it is smaller than the sum of its proper divisors (617566308).

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

444213516 is a wasteful number, since it uses less digits than its factorization.

444213516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902921 (or 902919 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 444213516 is about 21076.3734072065. The cubic root of 444213516 is about 763.0106319306.

The spelling of 444213516 in words is "four hundred forty-four million, two hundred thirteen thousand, five hundred sixteen".