40412342 has 4 divisors (see below), whose sum is σ = 60618516. Its totient is φ = 20206170.

The previous prime is 40412329. The next prime is 40412401. The reversal of 40412342 is 24321404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103084 + ... + 10103087.

It is an arithmetic number, because the mean of its divisors is an integer number (15154629).

Almost surely, 2^40412342 is an apocalyptic number.

40412342 is a deficient number, since it is larger than the sum of its proper divisors (20206174).

40412342 is a wasteful number, since it uses less digits than its factorization.

40412342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206173.

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

The square root of 40412342 is about 6357.0702371454. The cubic root of 40412342 is about 343.1663324142.

Adding to 40412342 its reverse (24321404), we get a palindrome (64733746).

The spelling of 40412342 in words is "forty million, four hundred twelve thousand, three hundred forty-two".