7040131296781 has 8 divisors (see below), whose sum is σ = 7825051596384. Its totient is φ = 6279362391120.

The previous prime is 7040131296769. The next prime is 7040131296829. The reversal of 7040131296781 is 1876921310407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7040131296781 - 2⁹ = 7040131296269 is a prime.

It is a super-2 number, since 2×7040131296781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040131236781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6037847871 + ... + 6037849036.

It is an arithmetic number, because the mean of its divisors is an integer number (978131449548).

Almost surely, 2^{7040131296781} is an apocalyptic number.

It is an amenable number.

7040131296781 is a deficient number, since it is larger than the sum of its proper divisors (784920299603).

7040131296781 is a wasteful number, since it uses less digits than its factorization.

7040131296781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12075696971.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 7040131296781 in words is "seven trillion, forty billion, one hundred thirty-one million, two hundred ninety-six thousand, seven hundred eighty-one".