13440773040 has 80 divisors (see below), whose sum is σ = 41708044800. Its totient is φ = 3580623616.

The previous prime is 13440773039. The next prime is 13440773077. The reversal of 13440773040 is 4037704431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 13440772992 and 13440773010.

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, 217081 + ... + 272039.

It is an arithmetic number, because the mean of its divisors is an integer number (521350560).

Almost surely, 2^13440773040 is an apocalyptic number.

13440773040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440773040 is an abundant number, since it is smaller than the sum of its proper divisors (28267271760).

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

13440773040 is a wasteful number, since it uses less digits than its factorization.

13440773040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55994 (or 55988 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 13440773040 in words is "thirteen billion, four hundred forty million, seven hundred seventy-three thousand, forty".