39930546878441 has 8 divisors (see below), whose sum is σ = 40012267380360. Its totient is φ = 39848839206912.

The previous prime is 39930546878399. The next prime is 39930546878503. The reversal of 39930546878441 is 14487864503993.

It can be written as a sum of positive squares in 4 ways, for example, as 5109973275625 + 34820573602816 = 2260525^2 + 5900896^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39930546878441 - 2¹⁴ = 39930546862057 is a prime.

It is a super-2 number, since 2×39930546878441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39930546878041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035561 + ... + 9437993.

It is an arithmetic number, because the mean of its divisors is an integer number (5001533422545).

Almost surely, 2^{39930546878441} is an apocalyptic number.

It is an amenable number.

39930546878441 is a deficient number, since it is larger than the sum of its proper divisors (81720501919).

39930546878441 is a wasteful number, since it uses less digits than its factorization.

39930546878441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415195.

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 39930546878441 in words is "thirty-nine trillion, nine hundred thirty billion, five hundred forty-six million, eight hundred seventy-eight thousand, four hundred forty-one".