42404026 has 16 divisors (see below), whose sum is σ = 73103040. Its totient is φ = 18070560.

The previous prime is 42404017. The next prime is 42404027. The reversal of 42404026 is 62040424.

It is a junction number, because it is equal to n+sod(n) for n = 42403988 and 42404006.

It is not an unprimeable number, because it can be changed into a prime (42404027) by changing a digit.

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, 5955 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (4568940).

Almost surely, 2^42404026 is an apocalyptic number.

42404026 is a deficient number, since it is larger than the sum of its proper divisors (30699014).

42404026 is a wasteful number, since it uses less digits than its factorization.

42404026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42404026 is about 6511.8373751193. The cubic root of 42404026 is about 348.7137166725.

The spelling of 42404026 in words is "forty-two million, four hundred four thousand, twenty-six".