13440334402 has 64 divisors (see below), whose sum is σ = 24037793280. Its totient is φ = 5567443200.

The previous prime is 13440334373. The next prime is 13440334429. The reversal of 13440334402 is 20443304431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1473877 + ... + 1482967.

It is an arithmetic number, because the mean of its divisors is an integer number (375590520).

Almost surely, 2^13440334402 is an apocalyptic number.

13440334402 is a deficient number, since it is larger than the sum of its proper divisors (10597458878).

13440334402 is a wasteful number, since it uses less digits than its factorization.

13440334402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 13440334402 its reverse (20443304431), we get a palindrome (33883638833).

The spelling of 13440334402 in words is "thirteen billion, four hundred forty million, three hundred thirty-four thousand, four hundred two".