13444334405432 has 32 divisors (see below), whose sum is σ = 29587917421920. Its totient is φ = 5606131720320.

The previous prime is 13444334405417. The next prime is 13444334405501. The reversal of 13444334405432 is 23450443344431.

It is a super-2 number, since 2×13444334405432² (a number of 27 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 in 7 ways as a sum of consecutive naturals, for example, 3244287119 + ... + 3244291262.

It is an arithmetic number, because the mean of its divisors is an integer number (924622419435).

Almost surely, 2^{13444334405432} is an apocalyptic number.

It is an amenable number.

13444334405432 is an abundant number, since it is smaller than the sum of its proper divisors (16143583016488).

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

13444334405432 is a wasteful number, since it uses less digits than its factorization.

13444334405432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488578431 (or 6488578427 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 44.

Adding to 13444334405432 its reverse (23450443344431), we get a palindrome (36894777749863).

The spelling of 13444334405432 in words is "thirteen trillion, four hundred forty-four billion, three hundred thirty-four million, four hundred five thousand, four hundred thirty-two".