13480666740 has 36 divisors (see below), whose sum is σ = 40891356324. Its totient is φ = 3594844416.

The previous prime is 13480666721. The next prime is 13480666769. The reversal of 13480666740 is 4766608431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4824969444 + 8655697296 = 69462^2 + 93036^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37446117 + ... + 37446476.

It is an arithmetic number, because the mean of its divisors is an integer number (1135871009).

Almost surely, 2^13480666740 is an apocalyptic number.

13480666740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13480666740 is an abundant number, since it is smaller than the sum of its proper divisors (27410689584).

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

13480666740 is a wasteful number, since it uses less digits than its factorization.

13480666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74892608 (or 74892603 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 13480666740 in words is "thirteen billion, four hundred eighty million, six hundred sixty-six thousand, seven hundred forty".