445449476465 has 16 divisors (see below), whose sum is σ = 611547276672. Its totient is φ = 305128500864.

The previous prime is 445449476449. The next prime is 445449476467. The reversal of 445449476465 is 564674944544.

It is a cyclic number.

It is not a de Polignac number, because 445449476465 - 2⁴ = 445449476449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445449476398 and 445449476407.

It is not an unprimeable number, because it can be changed into a prime (445449476467) 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, 6686564 + ... + 6752853.

It is an arithmetic number, because the mean of its divisors is an integer number (38221704792).

Almost surely, 2^445449476465 is an apocalyptic number.

It is an amenable number.

445449476465 is a deficient number, since it is larger than the sum of its proper divisors (166097800207).

445449476465 is a wasteful number, since it uses less digits than its factorization.

445449476465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440376.

The product of its digits is 232243200, while the sum is 62.

The spelling of 445449476465 in words is "four hundred forty-five billion, four hundred forty-nine million, four hundred seventy-six thousand, four hundred sixty-five".