13334766440 has 32 divisors (see below), whose sum is σ = 30068918280. Its totient is φ = 5322227712.

The previous prime is 13334766439. The next prime is 13334766461. The reversal of 13334766440 is 4466743331.

It can be written as a sum of positive squares in 4 ways, for example, as 13216261444 + 118504996 = 114962^2 + 10886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346457 + ... + 383016.

Almost surely, 2^13334766440 is an apocalyptic number.

13334766440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13334766440 is an abundant number, since it is smaller than the sum of its proper divisors (16734151840).

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

13334766440 is a wasteful number, since it uses less digits than its factorization.

13334766440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729941 (or 729937 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 13334766440 in words is "thirteen billion, three hundred thirty-four million, seven hundred sixty-six thousand, four hundred forty".