33440221004 has 24 divisors (see below), whose sum is σ = 58854190080. Its totient is φ = 16624921104.

The previous prime is 33440220959. The next prime is 33440221021. The reversal of 33440221004 is 40012204433.

It is a super-2 number, since 2×33440221004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726047 + ... + 770729.

It is an arithmetic number, because the mean of its divisors is an integer number (2452257920).

Almost surely, 2^33440221004 is an apocalyptic number.

It is an amenable number.

33440221004 is a deficient number, since it is larger than the sum of its proper divisors (25413969076).

33440221004 is a wasteful number, since it uses less digits than its factorization.

33440221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45749 (or 45747 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33440221004 its reverse (40012204433), we get a palindrome (73452425437).

The spelling of 33440221004 in words is "thirty-three billion, four hundred forty million, two hundred twenty-one thousand, four".