39780032146 has 8 divisors (see below), whose sum is σ = 59850321264. Its totient is φ = 19829925060.

The previous prime is 39780032143. The next prime is 39780032197. The reversal of 39780032146 is 64123008793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39780032143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30044680 + ... + 30046003.

It is an arithmetic number, because the mean of its divisors is an integer number (7481290158).

Almost surely, 2^39780032146 is an apocalyptic number.

39780032146 is a deficient number, since it is larger than the sum of its proper divisors (20070289118).

39780032146 is a wasteful number, since it uses less digits than its factorization.

39780032146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60091016.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 39780032146 in words is "thirty-nine billion, seven hundred eighty million, thirty-two thousand, one hundred forty-six".