7042117240 has 32 divisors (see below), whose sum is σ = 15936367680. Its totient is φ = 2800561792.

The previous prime is 7042117211. The next prime is 7042117249. The reversal of 7042117240 is 427112407.

It is a junction number, because it is equal to n+sod(n) for n = 7042117199 and 7042117208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042117249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 501904 + ... + 515743.

It is an arithmetic number, because the mean of its divisors is an integer number (498011490).

Almost surely, 2^7042117240 is an apocalyptic number.

It is an amenable number.

7042117240 is an abundant number, since it is smaller than the sum of its proper divisors (8894250440).

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

7042117240 is a wasteful number, since it uses less digits than its factorization.

7042117240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017831 (or 1017827 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7042117240 is about 83917.3238372149. The cubic root of 7042117240 is about 1916.7600558738.

Adding to 7042117240 its reverse (427112407), we get a palindrome (7469229647).

The spelling of 7042117240 in words is "seven billion, forty-two million, one hundred seventeen thousand, two hundred forty".