13421322044 has 48 divisors (see below), whose sum is σ = 26825472576. Its totient is φ = 5820595200.

The previous prime is 13421322041. The next prime is 13421322091. The reversal of 13421322044 is 44022312431.

It is a super-3 number, since 3×13421322044³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421322041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545774 + ... + 569834.

It is an arithmetic number, because the mean of its divisors is an integer number (558864012).

Almost surely, 2^13421322044 is an apocalyptic number.

It is an amenable number.

13421322044 is a deficient number, since it is larger than the sum of its proper divisors (13404150532).

13421322044 is a wasteful number, since it uses less digits than its factorization.

13421322044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24726 (or 24724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13421322044 its reverse (44022312431), we get a palindrome (57443634475).

The spelling of 13421322044 in words is "thirteen billion, four hundred twenty-one million, three hundred twenty-two thousand, forty-four".