39423232394 has 64 divisors (see below), whose sum is σ = 76876800000. Its totient is φ = 14741818560.

The previous prime is 39423232393. The next prime is 39423232399. The reversal of 39423232394 is 49323232493.

39423232394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39423232393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161357 + ... + 323855.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200000).

Almost surely, 2^39423232394 is an apocalyptic number.

39423232394 is a deficient number, since it is larger than the sum of its proper divisors (37453567606).

39423232394 is a wasteful number, since it uses less digits than its factorization.

39423232394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162595.

The product of its digits is 839808, while the sum is 44.

Subtracting 39423232394 from its reverse (49323232493), we obtain a palindrome (9900000099).

The spelling of 39423232394 in words is "thirty-nine billion, four hundred twenty-three million, two hundred thirty-two thousand, three hundred ninety-four".