13816440628 has 6 divisors (see below), whose sum is σ = 24178771106. Its totient is φ = 6908220312.

The previous prime is 13816440611. The next prime is 13816440661. The reversal of 13816440628 is 82604461831.

13816440628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7973061264 + 5843379364 = 89292^2 + 76442^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727055075 + ... + 1727055082.

Almost surely, 2^13816440628 is an apocalyptic number.

It is an amenable number.

13816440628 is a deficient number, since it is larger than the sum of its proper divisors (10362330478).

13816440628 is a wasteful number, since it uses less digits than its factorization.

13816440628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454110161 (or 3454110159 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 13816440628 in words is "thirteen billion, eight hundred sixteen million, four hundred forty thousand, six hundred twenty-eight".