42345426 has 16 divisors (see below), whose sum is σ = 84786624. Its totient is φ = 14099184.

The previous prime is 42345389. The next prime is 42345437. The reversal of 42345426 is 62454324.

It is a junction number, because it is equal to n+sod(n) for n = 42345393 and 42345402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (5299164).

Almost surely, 2^42345426 is an apocalyptic number.

42345426 is an abundant number, since it is smaller than the sum of its proper divisors (42441198).

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

42345426 is a wasteful number, since it uses less digits than its factorization.

42345426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985.

The product of its digits is 23040, while the sum is 30.

The square root of 42345426 is about 6507.3363214145. The cubic root of 42345426 is about 348.5530083143.

The spelling of 42345426 in words is "forty-two million, three hundred forty-five thousand, four hundred twenty-six".