42440701 has 4 divisors (see below), whose sum is σ = 42878332. Its totient is φ = 42003072.

The previous prime is 42440693. The next prime is 42440707. The reversal of 42440701 is 10704424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6380676 + 36060025 = 2526^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 42440701 - 2³ = 42440693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218670 + ... + 218863.

It is an arithmetic number, because the mean of its divisors is an integer number (10719583).

Almost surely, 2^42440701 is an apocalyptic number.

It is an amenable number.

42440701 is a deficient number, since it is larger than the sum of its proper divisors (437631).

42440701 is an equidigital number, since it uses as much as digits as its factorization.

42440701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437630.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42440701 is about 6514.6527919759. The cubic root of 42440701 is about 348.8142212037.

The spelling of 42440701 in words is "forty-two million, four hundred forty thousand, seven hundred one".