39022446681 has 45 divisors (see below), whose sum is σ = 59687261029. Its totient is φ = 25406933256.

The previous prime is 39022446653. The next prime is 39022446707. The reversal of 39022446681 is 18664422093.

The square root of 39022446681 is 197541.

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

39022446681 is a `hidden beast` number, since 3 + 90 + 2 + 24 + 466 + 81 = 666.

It is not a de Polignac number, because 39022446681 - 2¹³ = 39022438489 is a prime.

It is a super-2 number, since 2×39022446681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39022046681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 83559610 + ... + 83560076.

Almost surely, 2^39022446681 is an apocalyptic number.

39022446681 is the 197541-st square number.

39022446681 is the 98771-st centered octagonal number.

It is an amenable number.

39022446681 is a deficient number, since it is larger than the sum of its proper divisors (20664814348).

39022446681 is an frugal number, since it uses more digits than its factorization.

39022446681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 39022446681 in words is "thirty-nine billion, twenty-two million, four hundred forty-six thousand, six hundred eighty-one".