13334434440 has 64 divisors (see below), whose sum is σ = 41084487360. Its totient is φ = 3459744000.

The previous prime is 13334434439. The next prime is 13334434489. The reversal of 13334434440 is 4443443331.

It is a super-2 number, since 2×13334434440² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497186 + ... + 1506065.

It is an arithmetic number, because the mean of its divisors is an integer number (641945115).

Almost surely, 2^13334434440 is an apocalyptic number.

13334434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13334434440 is an abundant number, since it is smaller than the sum of its proper divisors (27750052920).

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

13334434440 is a wasteful number, since it uses less digits than its factorization.

13334434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003302 (or 3003298 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 13334434440 its reverse (4443443331), we get a palindrome (17777877771).

It can be divided in two parts, 13 and 334434440, that added together give a triangular number (334434453 = T₂₅₈₆₂).

The spelling of 13334434440 in words is "thirteen billion, three hundred thirty-four million, four hundred thirty-four thousand, four hundred forty".