7112886640 has 40 divisors (see below), whose sum is σ = 16940821968. Its totient is φ = 2775759360.

The previous prime is 7112886617. The next prime is 7112886653. The reversal of 7112886640 is 466882117.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081002 + ... + 1087561.

Almost surely, 2^7112886640 is an apocalyptic number.

It is an amenable number.

7112886640 is an abundant number, since it is smaller than the sum of its proper divisors (9827935328).

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

7112886640 is a wasteful number, since it uses less digits than its factorization.

7112886640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168617 (or 2168611 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 7112886640 is about 84337.9312053598. The cubic root of 7112886640 is about 1923.1594609941.

The spelling of 7112886640 in words is "seven billion, one hundred twelve million, eight hundred eighty-six thousand, six hundred forty".