42401199 has 8 divisors (see below), whose sum is σ = 56609920. Its totient is φ = 28229976.

The previous prime is 42401189. The next prime is 42401201. The reversal of 42401199 is 99110424.

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

It is not a de Polignac number, because 42401199 - 2⁷ = 42401071 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 (42401119) 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 7 ways as a sum of consecutive naturals, for example, 6619 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (7076240).

Almost surely, 2^42401199 is an apocalyptic number.

42401199 is a deficient number, since it is larger than the sum of its proper divisors (14208721).

42401199 is a wasteful number, since it uses less digits than its factorization.

42401199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18749.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 42401199 is about 6511.6203052696. The cubic root of 42401199 is about 348.7059671286.

The spelling of 42401199 in words is "forty-two million, four hundred one thousand, one hundred ninety-nine".