39444542 has 16 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 18994560.

The previous prime is 39444541. The next prime is 39444557. The reversal of 39444542 is 24544493.

39444542 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 (39444541) 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, 3434 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (3836700).

Almost surely, 2^39444542 is an apocalyptic number.

39444542 is a deficient number, since it is larger than the sum of its proper divisors (21942658).

39444542 is a wasteful number, since it uses less digits than its factorization.

39444542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211.

The product of its digits is 69120, while the sum is 35.

The square root of 39444542 is about 6280.4889937010. The cubic root of 39444542 is about 340.4047716747.

The spelling of 39444542 in words is "thirty-nine million, four hundred forty-four thousand, five hundred forty-two".