407444855599 has 6 divisors (see below), whose sum is σ = 432822044144. Its totient is φ = 383477510880.

The previous prime is 407444855593. The next prime is 407444855639. The reversal of 407444855599 is 995558444704.

It is not a de Polignac number, because 407444855599 - 2⁷ = 407444855471 is a prime.

It is a super-2 number, since 2×407444855599² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 407444855599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407444855593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 704921607 + ... + 704922184.

Almost surely, 2^407444855599 is an apocalyptic number.

407444855599 is a deficient number, since it is larger than the sum of its proper divisors (25377188545).

407444855599 is a wasteful number, since it uses less digits than its factorization.

407444855599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409843825 (or 1409843808 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 407444855599 in words is "four hundred seven billion, four hundred forty-four million, eight hundred fifty-five thousand, five hundred ninety-nine".