40230042 has 16 divisors (see below), whose sum is σ = 80533440. Its totient is φ = 13397792.

The previous prime is 40230037. The next prime is 40230053. The reversal of 40230042 is 24003204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6259 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (5033340).

Almost surely, 2^40230042 is an apocalyptic number.

40230042 is an abundant number, since it is smaller than the sum of its proper divisors (40303398).

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

40230042 is a wasteful number, since it uses less digits than its factorization.

40230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40230042 is about 6342.7156644453. The cubic root of 40230042 is about 342.6495469972.

Adding to 40230042 its reverse (24003204), we get a palindrome (64233246).

The spelling of 40230042 in words is "forty million, two hundred thirty thousand, forty-two".