42002426 has 8 divisors (see below), whose sum is σ = 66319680. Its totient is φ = 19895868.

The previous prime is 42002383. The next prime is 42002431. The reversal of 42002426 is 62420024.

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

It is a junction number, because it is equal to n+sod(n) for n = 42002398 and 42002407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552626 + ... + 552701.

It is an arithmetic number, because the mean of its divisors is an integer number (8289960).

Almost surely, 2^42002426 is an apocalyptic number.

42002426 is a deficient number, since it is larger than the sum of its proper divisors (24317254).

42002426 is a wasteful number, since it uses less digits than its factorization.

42002426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105348.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42002426 is about 6480.9278656686. The cubic root of 42002426 is about 347.6093570905.

The spelling of 42002426 in words is "forty-two million, two thousand, four hundred twenty-six".