15275315483440 has 40 divisors (see below), whose sum is σ = 35522482263840. Its totient is φ = 6108857588736.

The previous prime is 15275315483383. The next prime is 15275315483473. The reversal of 15275315483440 is 4438451357251.

It is a tau number, because it is divible by the number of its divisors (40).

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, 19434180 + ... + 20204899.

It is an arithmetic number, because the mean of its divisors is an integer number (888062056596).

Almost surely, 2^{15275315483440} is an apocalyptic number.

15275315483440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15275315483440 is an abundant number, since it is smaller than the sum of its proper divisors (20247166780400).

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

15275315483440 is a wasteful number, since it uses less digits than its factorization.

15275315483440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39643909 (or 39643903 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 15275315483440 in words is "fifteen trillion, two hundred seventy-five billion, three hundred fifteen million, four hundred eighty-three thousand, four hundred forty".