39440371216 has 45 divisors (see below), whose sum is σ = 77207209743. Its totient is φ = 19518014880.

The previous prime is 39440371189. The next prime is 39440371249. The reversal of 39440371216 is 61217304493.

The square root of 39440371216 is 198596.

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 polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104064115 + ... + 104064493.

Almost surely, 2^39440371216 is an apocalyptic number.

39440371216 is the 198596-th square number.

It is an amenable number.

39440371216 is a deficient number, since it is larger than the sum of its proper divisors (37766838527).

39440371216 is an frugal number, since it uses more digits than its factorization.

39440371216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 39440371216 in words is "thirty-nine billion, four hundred forty million, three hundred seventy-one thousand, two hundred sixteen".