445194136330 has 16 divisors (see below), whose sum is σ = 814486322664. Its totient is φ = 175158348480.

The previous prime is 445194136319. The next prime is 445194136351. The reversal of 445194136330 is 33631491544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 337060363761 + 108133772569 = 580569^2 + 328837^2 .

It is a super-2 number, since 2×445194136330² (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 7 ways as a sum of consecutive naturals, for example, 364912617 + ... + 364913836.

Almost surely, 2^445194136330 is an apocalyptic number.

445194136330 is a deficient number, since it is larger than the sum of its proper divisors (369292186334).

445194136330 is a wasteful number, since it uses less digits than its factorization.

445194136330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729826521.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 445194136330 in words is "four hundred forty-five billion, one hundred ninety-four million, one hundred thirty-six thousand, three hundred thirty".