33402640304 has 40 divisors (see below), whose sum is σ = 72323027280. Its totient is φ = 14812697600.

The previous prime is 33402640303. The next prime is 33402640309. The reversal of 33402640304 is 40304620433.

It is a super-2 number, since 2×33402640304² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33402640303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307269 + ... + 2321700.

It is an arithmetic number, because the mean of its divisors is an integer number (1808075682).

Almost surely, 2^33402640304 is an apocalyptic number.

It is an amenable number.

33402640304 is an abundant number, since it is smaller than the sum of its proper divisors (38920386976).

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

33402640304 is a wasteful number, since it uses less digits than its factorization.

33402640304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629029 (or 4629023 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

The spelling of 33402640304 in words is "thirty-three billion, four hundred two million, six hundred forty thousand, three hundred four".