444872463 has 64 divisors (see below), whose sum is σ = 729907200. Its totient is φ = 235572480.

The previous prime is 444872431. The next prime is 444872489. The reversal of 444872463 is 364278444.

It is a happy number.

It is a Cunningham number, because it is equal to 21092²-1.

It is not a de Polignac number, because 444872463 - 2⁵ = 444872431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444872063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3395908 + ... + 3396038.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 2^444872463 is an apocalyptic number.

444872463 is a deficient number, since it is larger than the sum of its proper divisors (285034737).

444872463 is a wasteful number, since it uses less digits than its factorization.

444872463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 516096, while the sum is 42.

The square root of 444872463 is about 21091.9999762943. Note that the first 4 decimals coincide. The cubic root of 444872463 is about 763.3877292374.

The spelling of 444872463 in words is "four hundred forty-four million, eight hundred seventy-two thousand, four hundred sixty-three".