33243442432 has 18 divisors (see below), whose sum is σ = 66357028178. Its totient is φ = 16621721088.

The previous prime is 33243442423. The next prime is 33243442457. The reversal of 33243442432 is 23424434233.

It can be written as a sum of positive squares in only one way, i.e., 26665583616 + 6577858816 = 163296^2 + 81104^2 .

It is a super-2 number, since 2×33243442432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64928343 + ... + 64928854.

Almost surely, 2^33243442432 is an apocalyptic number.

33243442432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33243442432 is a deficient number, since it is larger than the sum of its proper divisors (33113585746).

33243442432 is an equidigital number, since it uses as much as digits as its factorization.

33243442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129857213 (or 129857199 counting only the distinct ones).

The product of its digits is 165888, while the sum is 34.

Adding to 33243442432 its reverse (23424434233), we get a palindrome (56667876665).

The spelling of 33243442432 in words is "thirty-three billion, two hundred forty-three million, four hundred forty-two thousand, four hundred thirty-two".