33818446990 has 16 divisors (see below), whose sum is σ = 60926020848. Its totient is φ = 13515641856.

The previous prime is 33818446939. The next prime is 33818447077. The reversal of 33818446990 is 9964481833.

It is a super-2 number, since 2×33818446990² (a number of 22 digits) contains 22 as substring.

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, 1455012 + ... + 1478071.

It is an arithmetic number, because the mean of its divisors is an integer number (3807876303).

Almost surely, 2^33818446990 is an apocalyptic number.

33818446990 is a deficient number, since it is larger than the sum of its proper divisors (27107573858).

33818446990 is a wasteful number, since it uses less digits than its factorization.

33818446990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934243.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 33818446990 in words is "thirty-three billion, eight hundred eighteen million, four hundred forty-six thousand, nine hundred ninety".