39942886094 has 32 divisors (see below), whose sum is σ = 63186201792. Its totient is φ = 18912096000.

The previous prime is 39942886091. The next prime is 39942886121. The reversal of 39942886094 is 49068824993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39942886091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261679 + ... + 1292949.

It is an arithmetic number, because the mean of its divisors is an integer number (1974568806).

Almost surely, 2^39942886094 is an apocalyptic number.

39942886094 is a deficient number, since it is larger than the sum of its proper divisors (23243315698).

39942886094 is a wasteful number, since it uses less digits than its factorization.

39942886094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 39942886094 in words is "thirty-nine billion, nine hundred forty-two million, eight hundred eighty-six thousand, ninety-four".