39566115040 has 24 divisors (see below), whose sum is σ = 93474947160. Its totient is φ = 15826445952.

The previous prime is 39566115007. The next prime is 39566115049. The reversal of 39566115040 is 4051166593.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 39566114984 and 39566115002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39566115049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123643950 + ... + 123644269.

It is an arithmetic number, because the mean of its divisors is an integer number (3894789465).

Almost surely, 2^39566115040 is an apocalyptic number.

It is an amenable number.

39566115040 is an abundant number, since it is smaller than the sum of its proper divisors (53908832120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39566115040 is a wasteful number, since it uses less digits than its factorization.

39566115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247288234 (or 247288226 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 39566115040 in words is "thirty-nine billion, five hundred sixty-six million, one hundred fifteen thousand, forty".