782520715242 has 48 divisors (see below), whose sum is σ = 1937809116672. Its totient is φ = 223561334880.

The previous prime is 782520715217. The next prime is 782520715259. The reversal of 782520715242 is 242517025287.

782520715242 is a `hidden beast` number, since 7 + 8 + 2 + 52 + 0 + 71 + 524 + 2 = 666.

It is a super-2 number, since 2×782520715242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603128 + ... + 2033484.

It is an arithmetic number, because the mean of its divisors is an integer number (40371023264).

Almost surely, 2^782520715242 is an apocalyptic number.

782520715242 is an abundant number, since it is smaller than the sum of its proper divisors (1155288401430).

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

782520715242 is a wasteful number, since it uses less digits than its factorization.

782520715242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444803 (or 444800 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 782520715242 in words is "seven hundred eighty-two billion, five hundred twenty million, seven hundred fifteen thousand, two hundred forty-two".