13870510944 has 24 divisors (see below), whose sum is σ = 36410091480. Its totient is φ = 4623503616.

The previous prime is 13870510937. The next prime is 13870510961. The reversal of 13870510944 is 44901507831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13870510944² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13870510896 and 13870510905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72242149 + ... + 72242340.

It is an arithmetic number, because the mean of its divisors is an integer number (1517087145).

Almost surely, 2^13870510944 is an apocalyptic number.

It is an amenable number.

13870510944 is an abundant number, since it is smaller than the sum of its proper divisors (22539580536).

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

13870510944 is a wasteful number, since it uses less digits than its factorization.

13870510944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144484502 (or 144484494 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 13870510944 in words is "thirteen billion, eight hundred seventy million, five hundred ten thousand, nine hundred forty-four".