33240746644 has 24 divisors (see below), whose sum is σ = 66635054528. Its totient is φ = 14213128320.

The previous prime is 33240746633. The next prime is 33240746689. The reversal of 33240746644 is 44664704233.

It is a super-2 number, since 2×33240746644² (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 33240746644.

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 7 ways as a sum of consecutive naturals, for example, 1358742 + ... + 1382989.

Almost surely, 2^33240746644 is an apocalyptic number.

It is an amenable number.

33240746644 is an abundant number, since it is smaller than the sum of its proper divisors (33394307884).

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

33240746644 is a wasteful number, since it uses less digits than its factorization.

33240746644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742175 (or 2742173 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 43.

The spelling of 33240746644 in words is "thirty-three billion, two hundred forty million, seven hundred forty-six thousand, six hundred forty-four".