824779481340 has 48 divisors (see below), whose sum is σ = 2331803755008. Its totient is φ = 217805841984.

The previous prime is 824779481333. The next prime is 824779481381. The reversal of 824779481340 is 43184977428.

It is a super-2 number, since 2×824779481340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66723552 + ... + 66735911.

It is an arithmetic number, because the mean of its divisors is an integer number (48579244896).

Almost surely, 2^824779481340 is an apocalyptic number.

It is an amenable number.

824779481340 is an abundant number, since it is smaller than the sum of its proper divisors (1507024273668).

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

824779481340 is a wasteful number, since it uses less digits than its factorization.

824779481340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133459578 (or 133459576 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 824779481340 in words is "eight hundred twenty-four billion, seven hundred seventy-nine million, four hundred eighty-one thousand, three hundred forty".