39040963506 has 24 divisors (see below), whose sum is σ = 86388516864. Its totient is φ = 12736767960.

The previous prime is 39040963501. The next prime is 39040963523. The reversal of 39040963506 is 60536904093.

It is a happy number.

39040963506 is a `hidden beast` number, since 3 + 9 + 0 + 4 + 0 + 9 + 635 + 0 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (39040963501) 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 11 ways as a sum of consecutive naturals, for example, 23073010 + ... + 23074701.

It is an arithmetic number, because the mean of its divisors is an integer number (3599521536).

Almost surely, 2^39040963506 is an apocalyptic number.

39040963506 is an abundant number, since it is smaller than the sum of its proper divisors (47347553358).

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

39040963506 is a wasteful number, since it uses less digits than its factorization.

39040963506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46147766 (or 46147763 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 39040963506 in words is "thirty-nine billion, forty million, nine hundred sixty-three thousand, five hundred six".