33380464 has 20 divisors (see below), whose sum is σ = 69650056. Its totient is φ = 15406272.

The previous prime is 33380447. The next prime is 33380509. The reversal of 33380464 is 46408333.

It is a super-2 number, since 2×33380464² = 2228510753710592, which 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 3 ways as a sum of consecutive naturals, for example, 80034 + ... + 80449.

Almost surely, 2^33380464 is an apocalyptic number.

It is an amenable number.

33380464 is an abundant number, since it is smaller than the sum of its proper divisors (36269592).

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

33380464 is a wasteful number, since it uses less digits than its factorization.

33380464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160504 (or 160498 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 33380464 is about 5777.5828856019. The cubic root of 33380464 is about 321.9814039645.

Adding to 33380464 its reverse (46408333), we get a palindrome (79788797).

The spelling of 33380464 in words is "thirty-three million, three hundred eighty thousand, four hundred sixty-four".