450342372861 has 40 divisors (see below), whose sum is σ = 680917026240. Its totient is φ = 296591853312.

The previous prime is 450342372853. The next prime is 450342372881. The reversal of 450342372861 is 168273243054.

450342372861 is a `hidden beast` number, since 450 + 34 + 23 + 72 + 86 + 1 = 666.

It is not a de Polignac number, because 450342372861 - 2³ = 450342372853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450342372881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3039085 + ... + 3183821.

It is an arithmetic number, because the mean of its divisors is an integer number (17022925656).

Almost surely, 2^450342372861 is an apocalyptic number.

It is an amenable number.

450342372861 is a deficient number, since it is larger than the sum of its proper divisors (230574653379).

450342372861 is a wasteful number, since it uses less digits than its factorization.

450342372861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145215 (or 145206 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 450342372861 in words is "four hundred fifty billion, three hundred forty-two million, three hundred seventy-two thousand, eight hundred sixty-one".