7818830041242 has 32 divisors (see below), whose sum is σ = 17059879203840. Its totient is φ = 2369257206320.

The previous prime is 7818830041207. The next prime is 7818830041259. The reversal of 7818830041242 is 2421400388187.

It is a super-2 number, since 2×7818830041242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7818830041191 and 7818830041200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269892 + ... + 3963647.

It is an arithmetic number, because the mean of its divisors is an integer number (533121225120).

Almost surely, 2^{7818830041242} is an apocalyptic number.

7818830041242 is an abundant number, since it is smaller than the sum of its proper divisors (9241049162598).

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

7818830041242 is a wasteful number, since it uses less digits than its factorization.

7818830041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261538.

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 7818830041242 in words is "seven trillion, eight hundred eighteen billion, eight hundred thirty million, forty-one thousand, two hundred forty-two".