39982351894 has 8 divisors (see below), whose sum is σ = 61105104000. Its totient is φ = 19613983896.

The previous prime is 39982351861. The next prime is 39982351919. The reversal of 39982351894 is 49815328993.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188595894 + ... + 188596105.

It is an arithmetic number, because the mean of its divisors is an integer number (7638138000).

Almost surely, 2^39982351894 is an apocalyptic number.

39982351894 is a deficient number, since it is larger than the sum of its proper divisors (21122752106).

39982351894 is a wasteful number, since it uses less digits than its factorization.

39982351894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377192054.

The product of its digits is 16796160, while the sum is 61.

It can be divided in two parts, 39982 and 351894, that added together give a square (391876 = 626²).

The spelling of 39982351894 in words is "thirty-nine billion, nine hundred eighty-two million, three hundred fifty-one thousand, eight hundred ninety-four".