39933097890 has 32 divisors (see below), whose sum is σ = 109530783360. Its totient is φ = 9127565184.

The previous prime is 39933097859. The next prime is 39933097891. The reversal of 39933097890 is 9879033993.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39933097891) 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 15 ways as a sum of consecutive naturals, for example, 95078595 + ... + 95079014.

It is an arithmetic number, because the mean of its divisors is an integer number (3422836980).

Almost surely, 2^39933097890 is an apocalyptic number.

39933097890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39933097890 is an abundant number, since it is smaller than the sum of its proper divisors (69597685470).

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

39933097890 is a wasteful number, since it uses less digits than its factorization.

39933097890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190157626.

The product of its (nonzero) digits is 9920232, while the sum is 60.

The spelling of 39933097890 in words is "thirty-nine billion, nine hundred thirty-three million, ninety-seven thousand, eight hundred ninety".