33140050040 has 32 divisors (see below), whose sum is σ = 78489594000. Its totient is φ = 12558334464.

The previous prime is 33140049989. The next prime is 33140050051. The reversal of 33140050040 is 4005004133.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33140049994 and 33140050021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21801905 + ... + 21803424.

Almost surely, 2^33140050040 is an apocalyptic number.

It is an amenable number.

33140050040 is an abundant number, since it is smaller than the sum of its proper divisors (45349543960).

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

33140050040 is a wasteful number, since it uses less digits than its factorization.

33140050040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43605359 (or 43605355 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 33140050040 its reverse (4005004133), we get a palindrome (37145054173).

The spelling of 33140050040 in words is "thirty-three billion, one hundred forty million, fifty thousand, forty".