13340554440 has 32 divisors (see below), whose sum is σ = 40021663680. Its totient is φ = 3557481152.

The previous prime is 13340554439. The next prime is 13340554441. The reversal of 13340554440 is 4445504331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13340554439) and next prime (13340554441).

It is not an unprimeable number, because it can be changed into a prime (13340554441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55585524 + ... + 55585763.

It is an arithmetic number, because the mean of its divisors is an integer number (1250676990).

Almost surely, 2^13340554440 is an apocalyptic number.

13340554440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13340554440 is an abundant number, since it is smaller than the sum of its proper divisors (26681109240).

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

13340554440 is a wasteful number, since it uses less digits than its factorization.

13340554440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111171301 (or 111171297 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 13340554440 in words is "thirteen billion, three hundred forty million, five hundred fifty-four thousand, four hundred forty".