33373740040 has 16 divisors (see below), whose sum is σ = 75090915180. Its totient is φ = 13349496000.

The previous prime is 33373740017. The next prime is 33373740047. The reversal of 33373740040 is 4004737333.

It can be written as a sum of positive squares in 2 ways, for example, as 32046012196 + 1327727844 = 179014^2 + 36438^2 .

It is a super-2 number, since 2×33373740040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33373739978 and 33373740005.

It is not an unprimeable number, because it can be changed into a prime (33373740047) 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 3 ways as a sum of consecutive naturals, for example, 417171711 + ... + 417171790.

Almost surely, 2^33373740040 is an apocalyptic number.

It is an amenable number.

33373740040 is an abundant number, since it is smaller than the sum of its proper divisors (41717175140).

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

33373740040 is a wasteful number, since it uses less digits than its factorization.

33373740040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834343512 (or 834343508 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 34.

The spelling of 33373740040 in words is "thirty-three billion, three hundred seventy-three million, seven hundred forty thousand, forty".