440930385 has 80 divisors (see below), whose sum is σ = 924587136. Its totient is φ = 196826112.

The previous prime is 440930381. The next prime is 440930389. The reversal of 440930385 is 583039044.

It is an interprime number because it is at equal distance from previous prime (440930381) and next prime (440930389).

It is not a de Polignac number, because 440930385 - 2² = 440930381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440930381) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 120097 + ... + 123713.

Almost surely, 2^440930385 is an apocalyptic number.

440930385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440930385 is an abundant number, since it is smaller than the sum of its proper divisors (483656751).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440930385 is a wasteful number, since it uses less digits than its factorization.

440930385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 440930385 is about 20998.3424345828. The cubic root of 440930385 is about 761.1262071506.

The spelling of 440930385 in words is "four hundred forty million, nine hundred thirty thousand, three hundred eighty-five".