444414477 has 8 divisors (see below), whose sum is σ = 638133664. Its totient is φ = 273485808.

The previous prime is 444414461. The next prime is 444414547. The reversal of 444414477 is 774414444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444414477 - 2⁴ = 444414461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 11395243 = 444414477 / (4 + 4 + 4 + 4 + 1 + 4 + 4 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444414277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5697583 + ... + 5697660.

It is an arithmetic number, because the mean of its divisors is an integer number (79766708).

Almost surely, 2^444414477 is an apocalyptic number.

It is an amenable number.

444414477 is a deficient number, since it is larger than the sum of its proper divisors (193719187).

444414477 is a wasteful number, since it uses less digits than its factorization.

444414477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395259.

The product of its digits is 200704, while the sum is 39.

The square root of 444414477 is about 21081.1403154573. The cubic root of 444414477 is about 763.1256759031.

The spelling of 444414477 in words is "four hundred forty-four million, four hundred fourteen thousand, four hundred seventy-seven".