33974193880 has 32 divisors (see below), whose sum is σ = 83391204240. Its totient is φ = 12354252160.

The previous prime is 33974193829. The next prime is 33974193893. The reversal of 33974193880 is 8839147933.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38606599 + ... + 38607478.

Almost surely, 2^33974193880 is an apocalyptic number.

It is an amenable number.

33974193880 is an abundant number, since it is smaller than the sum of its proper divisors (49417010360).

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

33974193880 is a wasteful number, since it uses less digits than its factorization.

33974193880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77214099 (or 77214095 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 33974193880 in words is "thirty-three billion, nine hundred seventy-four million, one hundred ninety-three thousand, eight hundred eighty".