440742117 has 8 divisors (see below), whose sum is σ = 598744224. Its totient is φ = 288284048.

The previous prime is 440742091. The next prime is 440742139. The reversal of 440742117 is 711247044.

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 440742117 - 2¹² = 440738021 is a prime.

It is a super-2 number, since 2×440742117² = 388507227395283378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440742167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385823 + ... + 1386140.

It is an arithmetic number, because the mean of its divisors is an integer number (74843028).

Almost surely, 2^440742117 is an apocalyptic number.

It is an amenable number.

440742117 is a deficient number, since it is larger than the sum of its proper divisors (158002107).

440742117 is a wasteful number, since it uses less digits than its factorization.

440742117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772019.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 440742117 is about 20993.8590306785. The cubic root of 440742117 is about 761.0178634353.

The spelling of 440742117 in words is "four hundred forty million, seven hundred forty-two thousand, one hundred seventeen".