33091798263640 has 32 divisors (see below), whose sum is σ = 76040727929280. Its totient is φ = 12955086979072.

The previous prime is 33091798263611. The next prime is 33091798263653. The reversal of 33091798263640 is 4636289719033.

It is a super-2 number, since 2×33091798263640² (a number of 28 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, 8801008297 + ... + 8801012056.

It is an arithmetic number, because the mean of its divisors is an integer number (2376272747790).

Almost surely, 2^{33091798263640} is an apocalyptic number.

It is an amenable number.

33091798263640 is an abundant number, since it is smaller than the sum of its proper divisors (42948929665640).

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

33091798263640 is a wasteful number, since it uses less digits than its factorization.

33091798263640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17602020411 (or 17602020407 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 33091798263640 in words is "thirty-three trillion, ninety-one billion, seven hundred ninety-eight million, two hundred sixty-three thousand, six hundred forty".