42440167 has 16 divisors (see below), whose sum is σ = 55699200. Its totient is φ = 31328640.

The previous prime is 42440161. The next prime is 42440173. The reversal of 42440167 is 76104424.

It is an interprime number because it is at equal distance from previous prime (42440161) and next prime (42440173).

It is not a de Polignac number, because 42440167 - 2⁷ = 42440039 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 (42440161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13042 + ... + 15967.

It is an arithmetic number, because the mean of its divisors is an integer number (3481200).

Almost surely, 2^42440167 is an apocalyptic number.

42440167 is a deficient number, since it is larger than the sum of its proper divisors (13259033).

42440167 is a wasteful number, since it uses less digits than its factorization.

42440167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29046.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42440167 is about 6514.6118073144. The cubic root of 42440167 is about 348.8127582403.

The spelling of 42440167 in words is "forty-two million, four hundred forty thousand, one hundred sixty-seven".