42444093 has 8 divisors (see below), whose sum is σ = 57308800. Its totient is φ = 27937728.

The previous prime is 42444079. The next prime is 42444097. The reversal of 42444093 is 39044424.

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

It is not a de Polignac number, because 42444093 - 2⁶ = 42444029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42444093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444097) 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, 89308 + ... + 89781.

It is an arithmetic number, because the mean of its divisors is an integer number (7163600).

Almost surely, 2^42444093 is an apocalyptic number.

It is an amenable number.

42444093 is a deficient number, since it is larger than the sum of its proper divisors (14864707).

42444093 is a wasteful number, since it uses less digits than its factorization.

42444093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179171.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 42444093 is about 6514.9131229818. The cubic root of 42444093 is about 348.8235137483.

The spelling of 42444093 in words is "forty-two million, four hundred forty-four thousand, ninety-three".