39941796925 has 12 divisors (see below), whose sum is σ = 50866419316. Its totient is φ = 31089830400.

The previous prime is 39941796863. The next prime is 39941796997. The reversal of 39941796925 is 52969714993.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 758782116 + 39183014809 = 27546^2 + 197947^2 .

It is not a de Polignac number, because 39941796925 - 2¹⁵ = 39941764157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21589236 + ... + 21591085.

Almost surely, 2^39941796925 is an apocalyptic number.

It is an amenable number.

39941796925 is a deficient number, since it is larger than the sum of its proper divisors (10924622391).

39941796925 is a wasteful number, since it uses less digits than its factorization.

39941796925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43180368 (or 43180363 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 64.

The spelling of 39941796925 in words is "thirty-nine billion, nine hundred forty-one million, seven hundred ninety-six thousand, nine hundred twenty-five".