33440481 has 12 divisors (see below), whose sum is σ = 48652240. Its totient is φ = 22132440.

The previous prime is 33440447. The next prime is 33440483. The reversal of 33440481 is 18404433.

It is not a de Polignac number, because 33440481 - 2¹⁰ = 33439457 is a prime.

It is a super-2 number, since 2×33440481² = 2236531539022722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33440483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12115 + ... + 14616.

Almost surely, 2^33440481 is an apocalyptic number.

It is an amenable number.

33440481 is a deficient number, since it is larger than the sum of its proper divisors (15211759).

33440481 is a wasteful number, since it uses less digits than its factorization.

33440481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26876 (or 26873 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 33440481 is about 5782.7745071030. The cubic root of 33440481 is about 322.1742591622.

The spelling of 33440481 in words is "thirty-three million, four hundred forty thousand, four hundred eighty-one".