42421326 has 8 divisors (see below), whose sum is σ = 84842664. Its totient is φ = 14140440.

The previous prime is 42421321. The next prime is 42421363. The reversal of 42421326 is 62312424.

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

42421326 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42421296 and 42421305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535105 + ... + 3535116.

It is an arithmetic number, because the mean of its divisors is an integer number (10605333).

Almost surely, 2^42421326 is an apocalyptic number.

42421326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42421326 is a wasteful number, since it uses less digits than its factorization.

42421326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070226.

The product of its digits is 2304, while the sum is 24.

The square root of 42421326 is about 6513.1655897881. The cubic root of 42421326 is about 348.7611329805.

The spelling of 42421326 in words is "forty-two million, four hundred twenty-one thousand, three hundred twenty-six".