40230342 has 24 divisors (see below), whose sum is σ = 87356880. Its totient is φ = 13380720.

The previous prime is 40230341. The next prime is 40230367. The reversal of 40230342 is 24303204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6967 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (3639870).

Almost surely, 2^40230342 is an apocalyptic number.

40230342 is an abundant number, since it is smaller than the sum of its proper divisors (47126538).

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

40230342 is a wasteful number, since it uses less digits than its factorization.

40230342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908 (or 4905 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40230342 is about 6342.7393135774. The cubic root of 40230342 is about 342.6503987207.

Adding to 40230342 its reverse (24303204), we get a palindrome (64533546).

The spelling of 40230342 in words is "forty million, two hundred thirty thousand, three hundred forty-two".