33440038 has 8 divisors (see below), whose sum is σ = 52800120. Its totient is φ = 15840000.

The previous prime is 33440027. The next prime is 33440039. The reversal of 33440038 is 83004433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33440038² = 2236472282882888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33439994 and 33440021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439963 + ... + 440038.

It is an arithmetic number, because the mean of its divisors is an integer number (6600015).

Almost surely, 2^33440038 is an apocalyptic number.

33440038 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33440038 is a deficient number, since it is larger than the sum of its proper divisors (19360082).

33440038 is a wasteful number, since it uses less digits than its factorization.

33440038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880022.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 33440038 is about 5782.7362035632. The cubic root of 33440038 is about 322.1728364969.

The spelling of 33440038 in words is "thirty-three million, four hundred forty thousand, thirty-eight".