7040400066704 has 20 divisors (see below), whose sum is σ = 13640967366780. Its totient is φ = 3520150423680.

The previous prime is 7040400066659. The next prime is 7040400066743. The reversal of 7040400066704 is 4076600040407.

It can be written as a sum of positive squares in 2 ways, for example, as 5098780770304 + 1941619296400 = 2258048^2 + 1393420^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916087 + ... + 4213334.

It is an arithmetic number, because the mean of its divisors is an integer number (682048368339).

Almost surely, 2^{7040400066704} is an apocalyptic number.

It is an amenable number.

7040400066704 is a deficient number, since it is larger than the sum of its proper divisors (6600567300076).

7040400066704 is a wasteful number, since it uses less digits than its factorization.

7040400066704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201218 (or 6201212 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 7040400066704 in words is "seven trillion, forty billion, four hundred million, sixty-six thousand, seven hundred four".