40033205920 has 48 divisors (see below), whose sum is σ = 94594923360. Its totient is φ = 16010493184.

The previous prime is 40033205917. The next prime is 40033205921. The reversal of 40033205920 is 2950233004.

It is not an unprimeable number, because it can be changed into a prime (40033205921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070091 + ... + 1106869.

It is an arithmetic number, because the mean of its divisors is an integer number (1970727570).

Almost surely, 2^40033205920 is an apocalyptic number.

40033205920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40033205920 is an abundant number, since it is smaller than the sum of its proper divisors (54561717440).

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

40033205920 is a wasteful number, since it uses less digits than its factorization.

40033205920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43597 (or 43589 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 40033205920 its reverse (2950233004), we get a palindrome (42983438924).

The spelling of 40033205920 in words is "forty billion, thirty-three million, two hundred five thousand, nine hundred twenty".