33156282990 has 64 divisors (see below), whose sum is σ = 80211156480. Its totient is φ = 8771103360.

The previous prime is 33156282953. The next prime is 33156283001. The reversal of 33156282990 is 9928265133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7257687 + ... + 7262253.

It is an arithmetic number, because the mean of its divisors is an integer number (1253299320).

Almost surely, 2^33156282990 is an apocalyptic number.

33156282990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33156282990 is an abundant number, since it is smaller than the sum of its proper divisors (47054873490).

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

33156282990 is a wasteful number, since it uses less digits than its factorization.

33156282990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 33156282990 in words is "thirty-three billion, one hundred fifty-six million, two hundred eighty-two thousand, nine hundred ninety".