13405424213044 has 24 divisors (see below), whose sum is σ = 23636780149248. Its totient is φ = 6652220549760.

The previous prime is 13405424213021. The next prime is 13405424213087. The reversal of 13405424213044 is 44031242450431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13405424212994 and 13405424213012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19930582 + ... + 20592205.

It is an arithmetic number, because the mean of its divisors is an integer number (984865839552).

Almost surely, 2^{13405424213044} is an apocalyptic number.

It is an amenable number.

13405424213044 is a deficient number, since it is larger than the sum of its proper divisors (10231355936204).

13405424213044 is a wasteful number, since it uses less digits than its factorization.

13405424213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40523415 (or 40523413 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 13405424213044 its reverse (44031242450431), we get a palindrome (57436666663475).

The spelling of 13405424213044 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, two hundred thirteen thousand, forty-four".