33481243990 has 16 divisors (see below), whose sum is σ = 60279471648. Its totient is φ = 13389557056.

The previous prime is 33481243981. The next prime is 33481244021. The reversal of 33481243990 is 9934218433.

It is a super-2 number, since 2×33481243990² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33481243990.

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, 319447 + ... + 411106.

It is an arithmetic number, because the mean of its divisors is an integer number (3767466978).

Almost surely, 2^33481243990 is an apocalyptic number.

33481243990 is a deficient number, since it is larger than the sum of its proper divisors (26798227658).

33481243990 is a wasteful number, since it uses less digits than its factorization.

33481243990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735143.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 33481243990 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-three thousand, nine hundred ninety".