15470018243140 has 12 divisors (see below), whose sum is σ = 32487038310636. Its totient is φ = 6188007297248.

The previous prime is 15470018243137. The next prime is 15470018243149. The reversal of 15470018243140 is 4134281007451.

It can be written as a sum of positive squares in 2 ways, for example, as 10777734438916 + 4692283804224 = 3282946^2 + 2166168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15470018243093 and 15470018243102.

It is not an unprimeable number, because it can be changed into a prime (15470018243149) by changing a digit.

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, 386750456059 + ... + 386750456098.

It is an arithmetic number, because the mean of its divisors is an integer number (2707253192553).

Almost surely, 2^{15470018243140} is an apocalyptic number.

15470018243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15470018243140 is an abundant number, since it is smaller than the sum of its proper divisors (17017020067496).

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

15470018243140 is a wasteful number, since it uses less digits than its factorization.

15470018243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773500912166 (or 773500912164 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 15470018243140 in words is "fifteen trillion, four hundred seventy billion, eighteen million, two hundred forty-three thousand, one hundred forty".