40232642 has 16 divisors (see below), whose sum is σ = 64501920. Its totient is φ = 18754368.

The previous prime is 40232623. The next prime is 40232651. The reversal of 40232642 is 24623204.

40232642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 9167.

It is an arithmetic number, because the mean of its divisors is an integer number (4031370).

Almost surely, 2^40232642 is an apocalyptic number.

40232642 is a deficient number, since it is larger than the sum of its proper divisors (24269278).

40232642 is a wasteful number, since it uses less digits than its factorization.

40232642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40232642 is about 6342.9206206605. The cubic root of 40232642 is about 342.6569284597.

Adding to 40232642 its reverse (24623204), we get a palindrome (64855846).

The spelling of 40232642 in words is "forty million, two hundred thirty-two thousand, six hundred forty-two".