33421311444 has 24 divisors (see below), whose sum is σ = 77986588960. Its totient is φ = 11139933024.

The previous prime is 33421311409. The next prime is 33421311479. The reversal of 33421311444 is 44411312433.

It is an interprime number because it is at equal distance from previous prime (33421311409) and next prime (33421311479).

It is a super-2 number, since 2×33421311444² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 294222 + ... + 391674.

Almost surely, 2^33421311444 is an apocalyptic number.

It is an amenable number.

33421311444 is an abundant number, since it is smaller than the sum of its proper divisors (44565277516).

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

33421311444 is a wasteful number, since it uses less digits than its factorization.

33421311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126039 (or 126037 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 33421311444 its reverse (44411312433), we get a palindrome (77832623877).

It can be divided in two parts, 33421 and 311444, that added together give a triangular number (344865 = T₈₃₀).

The spelling of 33421311444 in words is "thirty-three billion, four hundred twenty-one million, three hundred eleven thousand, four hundred forty-four".