39126307442 has 4 divisors (see below), whose sum is σ = 58689461166. Its totient is φ = 19563153720.

The previous prime is 39126307411. The next prime is 39126307459. The reversal of 39126307442 is 24470362193.

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

It can be written as a sum of positive squares in only one way, i.e., 21794321641 + 17331985801 = 147629^2 + 131651^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39126307442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9781576859 + ... + 9781576862.

Almost surely, 2^39126307442 is an apocalyptic number.

39126307442 is a deficient number, since it is larger than the sum of its proper divisors (19563153724).

39126307442 is a wasteful number, since it uses less digits than its factorization.

39126307442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563153723.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 39126307442 in words is "thirty-nine billion, one hundred twenty-six million, three hundred seven thousand, four hundred forty-two".