39440542 has 16 divisors (see below), whose sum is σ = 62582400. Its totient is φ = 18590040.

The previous prime is 39440539. The next prime is 39440549. The reversal of 39440542 is 24504493.

It is a happy number.

39440542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39440549) by changing a digit.

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, 5559 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (3911400).

Almost surely, 2^39440542 is an apocalyptic number.

39440542 is a deficient number, since it is larger than the sum of its proper divisors (23141858).

39440542 is a wasteful number, since it uses less digits than its factorization.

39440542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 39440542 is about 6280.1705390857. The cubic root of 39440542 is about 340.3932646740.

The spelling of 39440542 in words is "thirty-nine million, four hundred forty thousand, five hundred forty-two".