445444316330 has 32 divisors (see below), whose sum is σ = 869271858000. Its totient is φ = 163367903232.

The previous prime is 445444316329. The next prime is 445444316363. The reversal of 445444316330 is 33613444544.

It can be written as a sum of positive squares in 8 ways, for example, as 37106702161 + 408337614169 = 192631^2 + 639013^2 .

It is a super-2 number, since 2×445444316330² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11478935 + ... + 11517674.

Almost surely, 2^445444316330 is an apocalyptic number.

445444316330 is a deficient number, since it is larger than the sum of its proper divisors (423827541670).

445444316330 is a wasteful number, since it uses less digits than its factorization.

445444316330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996778.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 445444316330 in words is "four hundred forty-five billion, four hundred forty-four million, three hundred sixteen thousand, three hundred thirty".