39741219904 has 21 divisors (see below), whose sum is σ = 78864648087. Its totient is φ = 19869812544.

The previous prime is 39741219887. The next prime is 39741219911. The reversal of 39741219904 is 40991214793.

The square root of 39741219904 is 199352.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1582357 + ... + 1607275.

Almost surely, 2^39741219904 is an apocalyptic number.

39741219904 is the 199352-nd square number.

It is an amenable number.

39741219904 is a deficient number, since it is larger than the sum of its proper divisors (39123428183).

39741219904 is an frugal number, since it uses more digits than its factorization.

39741219904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49850 (or 24921 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

Multiplying 39741219904 by its sum of digits (49), we get a square (1947319775296 = 1395464²).

It can be divided in two parts, 397412 and 19904, that added together give a square (417316 = 646²).

The spelling of 39741219904 in words is "thirty-nine billion, seven hundred forty-one million, two hundred nineteen thousand, nine hundred four".