39356042332442 has 12 divisors (see below), whose sum is σ = 64888681366698. Its totient is φ = 17889110151000.

The previous prime is 39356042332417. The next prime is 39356042332459. The reversal of 39356042332442 is 24423324065393.

It can be written as a sum of positive squares in only one way, i.e., 37384065291001 + 1971977041441 = 6114251^2 + 1404271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81314136809 + ... + 81314137292.

Almost surely, 2^{39356042332442} is an apocalyptic number.

39356042332442 is a deficient number, since it is larger than the sum of its proper divisors (25532639034256).

39356042332442 is a wasteful number, since it uses less digits than its factorization.

39356042332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162628274125 (or 162628274114 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 50.

The spelling of 39356042332442 in words is "thirty-nine trillion, three hundred fifty-six billion, forty-two million, three hundred thirty-two thousand, four hundred forty-two".