33440023442 has 24 divisors (see below), whose sum is σ = 58453165296. Its totient is φ = 14305959528.

The previous prime is 33440023439. The next prime is 33440023447. The reversal of 33440023442 is 24432004433.

It is a super-2 number, since 2×33440023442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33440023447) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 247868 + ... + 358215.

It is an arithmetic number, because the mean of its divisors is an integer number (2435548554).

Almost surely, 2^33440023442 is an apocalyptic number.

33440023442 is a deficient number, since it is larger than the sum of its proper divisors (25013141854).

33440023442 is a wasteful number, since it uses less digits than its factorization.

33440023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606662 (or 606655 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 33440023442 its reverse (24432004433), we get a palindrome (57872027875).

The spelling of 33440023442 in words is "thirty-three billion, four hundred forty million, twenty-three thousand, four hundred forty-two".