440229385 has 8 divisors (see below), whose sum is σ = 537229440. Its totient is φ = 346214064.

The previous prime is 440229379. The next prime is 440229389. The reversal of 440229385 is 583922044.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 440229385 - 2⁵ = 440229353 is a prime.

It is a super-2 number, since 2×440229385² = 387603822834956450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440229389) 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, 745857 + ... + 746446.

It is an arithmetic number, because the mean of its divisors is an integer number (67153680).

Almost surely, 2^440229385 is an apocalyptic number.

It is an amenable number.

440229385 is a deficient number, since it is larger than the sum of its proper divisors (97000055).

440229385 is a wasteful number, since it uses less digits than its factorization.

440229385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492367.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 440229385 is about 20981.6440013646. The cubic root of 440229385 is about 760.7226419556.

The spelling of 440229385 in words is "four hundred forty million, two hundred twenty-nine thousand, three hundred eighty-five".