33274730640 has 40 divisors (see below), whose sum is σ = 103151665728. Its totient is φ = 8873261440.

The previous prime is 33274730603. The next prime is 33274730663. The reversal of 33274730640 is 4603747233.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33274730640² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69322116 + ... + 69322595.

Almost surely, 2^33274730640 is an apocalyptic number.

33274730640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33274730640 is an abundant number, since it is smaller than the sum of its proper divisors (69876935088).

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

33274730640 is a wasteful number, since it uses less digits than its factorization.

33274730640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138644727 (or 138644721 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 39.

The spelling of 33274730640 in words is "thirty-three billion, two hundred seventy-four million, seven hundred thirty thousand, six hundred forty".