42331426 has 16 divisors (see below), whose sum is σ = 64648800. Its totient is φ = 20785248.

The previous prime is 42331391. The next prime is 42331427. The reversal of 42331426 is 62413324.

It is a self number, because there is not a number n which added to its sum of digits gives 42331426.

It is not an unprimeable number, because it can be changed into a prime (42331427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28285 + ... + 29743.

It is an arithmetic number, because the mean of its divisors is an integer number (4040550).

Almost surely, 2^42331426 is an apocalyptic number.

42331426 is a deficient number, since it is larger than the sum of its proper divisors (22317374).

42331426 is a wasteful number, since it uses less digits than its factorization.

42331426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its digits is 3456, while the sum is 25.

The square root of 42331426 is about 6506.2605235266. The cubic root of 42331426 is about 348.5145918866.

The spelling of 42331426 in words is "forty-two million, three hundred thirty-one thousand, four hundred twenty-six".