445418099 has 16 divisors (see below), whose sum is σ = 526665408. Its totient is φ = 368727552.

The previous prime is 445418087. The next prime is 445418119. The reversal of 445418099 is 990814544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445418099 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445418399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29207 + ... + 41759.

It is an arithmetic number, because the mean of its divisors is an integer number (32916588).

Almost surely, 2^445418099 is an apocalyptic number.

445418099 is a deficient number, since it is larger than the sum of its proper divisors (81247309).

445418099 is a wasteful number, since it uses less digits than its factorization.

445418099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12734.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 445418099 is about 21104.9306798198. The cubic root of 445418099 is about 763.6997000347.

The spelling of 445418099 in words is "four hundred forty-five million, four hundred eighteen thousand, ninety-nine".