7042066040 has 32 divisors (see below), whose sum is σ = 15907797360. Its totient is φ = 2805600000.

The previous prime is 7042066039. The next prime is 7042066079. The reversal of 7042066040 is 406602407.

It is a super-2 number, since 2×7042066040² = 99181388223442563200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7042065994 and 7042066012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 340661 + ... + 360740.

Almost surely, 2^7042066040 is an apocalyptic number.

It is an amenable number.

7042066040 is an abundant number, since it is smaller than the sum of its proper divisors (8865731320).

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

7042066040 is a wasteful number, since it uses less digits than its factorization.

7042066040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701663 (or 701659 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 7042066040 is about 83917.0187745013. The cubic root of 7042066040 is about 1916.7554105686.

Adding to 7042066040 its reverse (406602407), we get a palindrome (7448668447).

The spelling of 7042066040 in words is "seven billion, forty-two million, sixty-six thousand, forty".