39800845725 has 12 divisors (see below), whose sum is σ = 65804065056. Its totient is φ = 21227117680.

The previous prime is 39800845717. The next prime is 39800845729. The reversal of 39800845725 is 52754800893.

It is not a de Polignac number, because 39800845725 - 2³ = 39800845717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39800845729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265338897 + ... + 265339046.

It is an arithmetic number, because the mean of its divisors is an integer number (5483672088).

Almost surely, 2^39800845725 is an apocalyptic number.

It is an amenable number.

39800845725 is a deficient number, since it is larger than the sum of its proper divisors (26003219331).

39800845725 is a wasteful number, since it uses less digits than its factorization.

39800845725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530677956 (or 530677951 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 39800845725 in words is "thirty-nine billion, eight hundred million, eight hundred forty-five thousand, seven hundred twenty-five".