440055443 has 4 divisors (see below), whose sum is σ = 440102280. Its totient is φ = 440008608.

The previous prime is 440055439. The next prime is 440055463. The reversal of 440055443 is 344550044.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 440055443 - 2² = 440055439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440055433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (110025570).

Almost surely, 2^440055443 is an apocalyptic number.

440055443 is a deficient number, since it is larger than the sum of its proper divisors (46837).

440055443 is a wasteful number, since it uses less digits than its factorization.

440055443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 440055443 is about 20977.4984924323. The cubic root of 440055443 is about 760.6224373398.

The spelling of 440055443 in words is "four hundred forty million, fifty-five thousand, four hundred forty-three".