33440034012 has 48 divisors (see below), whose sum is σ = 97280101632. Its totient is φ = 8685722880.

The previous prime is 33440034007. The next prime is 33440034013. The reversal of 33440034012 is 21043004433.

It is a super-2 number, since 2×33440034012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440034013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18094333 + ... + 18096180.

It is an arithmetic number, because the mean of its divisors is an integer number (2026668784).

Almost surely, 2^33440034012 is an apocalyptic number.

It is an amenable number.

33440034012 is an abundant number, since it is smaller than the sum of its proper divisors (63840067620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33440034012 is a wasteful number, since it uses less digits than its factorization.

33440034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36190538 (or 36190536 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33440034012 its reverse (21043004433), we get a palindrome (54483038445).

The spelling of 33440034012 in words is "thirty-three billion, four hundred forty million, thirty-four thousand, twelve".