33320660490 has 192 divisors, whose sum is σ = 94322067840. Its totient is φ = 8112545280.

The previous prime is 33320660479. The next prime is 33320660519. The reversal of 33320660490 is 9406602333.

It is a super-2 number, since 2×33320660490² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72278860 + ... + 72279320.

It is an arithmetic number, because the mean of its divisors is an integer number (491260770).

Almost surely, 2^33320660490 is an apocalyptic number.

33320660490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33320660490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47161033920).

33320660490 is an abundant number, since it is smaller than the sum of its proper divisors (61001407350).

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

33320660490 is a wasteful number, since it uses less digits than its factorization.

33320660490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 33320660490 in words is "thirty-three billion, three hundred twenty million, six hundred sixty thousand, four hundred ninety".