13406413326 has 16 divisors (see below), whose sum is σ = 27677756928. Its totient is φ = 4324649400.

The previous prime is 13406413301. The next prime is 13406413337. The reversal of 13406413326 is 62331460431.

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, 36038560 + ... + 36038931.

It is an arithmetic number, because the mean of its divisors is an integer number (1729859808).

Almost surely, 2^13406413326 is an apocalyptic number.

13406413326 is an abundant number, since it is smaller than the sum of its proper divisors (14271343602).

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

13406413326 is a wasteful number, since it uses less digits than its factorization.

13406413326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72077527.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 13406413326 its reverse (62331460431), we get a palindrome (75737873757).

The spelling of 13406413326 in words is "thirteen billion, four hundred six million, four hundred thirteen thousand, three hundred twenty-six".