445666993414 has 16 divisors (see below), whose sum is σ = 668860365888. Its totient is φ = 222713578152.

The previous prime is 445666993399. The next prime is 445666993477. The reversal of 445666993414 is 414399666544.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 41005609 + ... + 41016475.

It is an arithmetic number, because the mean of its divisors is an integer number (41803772868).

Almost surely, 2^445666993414 is an apocalyptic number.

445666993414 is a deficient number, since it is larger than the sum of its proper divisors (223193372474).

445666993414 is a wasteful number, since it uses less digits than its factorization.

445666993414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019.

The product of its digits is 67184640, while the sum is 61.

The spelling of 445666993414 in words is "four hundred forty-five billion, six hundred sixty-six million, nine hundred ninety-three thousand, four hundred fourteen".