407444445 has 32 divisors (see below), whose sum is σ = 729590400. Its totient is φ = 215730432.

The previous prime is 407444441. The next prime is 407444497. The reversal of 407444445 is 544444704.

407444445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 407444445 - 2² = 407444441 is a prime.

It is a super-2 number, since 2×407444445² = 332021951522716050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407444441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7909 + ... + 29621.

It is an arithmetic number, because the mean of its divisors is an integer number (22799700).

Almost surely, 2^407444445 is an apocalyptic number.

407444445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

407444445 is a deficient number, since it is larger than the sum of its proper divisors (322145955).

407444445 is a wasteful number, since it uses less digits than its factorization.

407444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866 (or 21860 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

The square root of 407444445 is about 20185.2531566983. The cubic root of 407444445 is about 741.3491609580.

The spelling of 407444445 in words is "four hundred seven million, four hundred forty-four thousand, four hundred forty-five".