33440068 has 48 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 15279264.

The previous prime is 33440053. The next prime is 33440081. The reversal of 33440068 is 86004433.

It is a super-2 number, since 2×33440068² = 2236476295689248, 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 15 ways as a sum of consecutive naturals, for example, 312471 + ... + 312577.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^33440068 is an apocalyptic number.

It is an amenable number.

33440068 is a deficient number, since it is larger than the sum of its proper divisors (30426812).

33440068 is a wasteful number, since it uses less digits than its factorization.

33440068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 33440068 is about 5782.7387974903. The cubic root of 33440068 is about 322.1729328404.

The spelling of 33440068 in words is "thirty-three million, four hundred forty thousand, sixty-eight".