33918190940 has 12 divisors (see below), whose sum is σ = 71228201016. Its totient is φ = 13567276368.

The previous prime is 33918190927. The next prime is 33918190967. The reversal of 33918190940 is 4909181933.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847954754 + ... + 847954793.

It is an arithmetic number, because the mean of its divisors is an integer number (5935683418).

Almost surely, 2^33918190940 is an apocalyptic number.

It is an amenable number.

33918190940 is an abundant number, since it is smaller than the sum of its proper divisors (37310010076).

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

33918190940 is a wasteful number, since it uses less digits than its factorization.

33918190940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695909556 (or 1695909554 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 33918190940 in words is "thirty-three billion, nine hundred eighteen million, one hundred ninety thousand, nine hundred forty".