247828515340 has 48 divisors (see below), whose sum is σ = 601471483200. Its totient is φ = 84015055872.

The previous prime is 247828515331. The next prime is 247828515413. The reversal of 247828515340 is 43515828742.

247828515340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247828515340² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9932505 + ... + 9957424.

It is an arithmetic number, because the mean of its divisors is an integer number (12530655900).

Almost surely, 2^247828515340 is an apocalyptic number.

247828515340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247828515340 is an abundant number, since it is smaller than the sum of its proper divisors (353642967860).

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

247828515340 is a wasteful number, since it uses less digits than its factorization.

247828515340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890034 (or 19890032 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 247828515340 in words is "two hundred forty-seven billion, eight hundred twenty-eight million, five hundred fifteen thousand, three hundred forty".