13440261860 has 24 divisors (see below), whose sum is σ = 28337008896. Its totient is φ = 5354684000.

The previous prime is 13440261859. The next prime is 13440261869. The reversal of 13440261860 is 6816204431.

It is a self number, because there is not a number n which added to its sum of digits gives 13440261860.

It is not an unprimeable number, because it can be changed into a prime (13440261869) 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, 1333652 + ... + 1343691.

It is an arithmetic number, because the mean of its divisors is an integer number (1180708704).

Almost surely, 2^13440261860 is an apocalyptic number.

13440261860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440261860 is an abundant number, since it is smaller than the sum of its proper divisors (14896747036).

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

13440261860 is a wasteful number, since it uses less digits than its factorization.

13440261860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677603 (or 2677601 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 13440261860 in words is "thirteen billion, four hundred forty million, two hundred sixty-one thousand, eight hundred sixty".