7126316640 has 72 divisors (see below), whose sum is σ = 24318560448. Its totient is φ = 1900350720.

The previous prime is 7126316627. The next prime is 7126316651. The reversal of 7126316640 is 466136217.

It is a happy number.

7126316640 is a `hidden beast` number, since 7 + 1 + 2 + 6 + 3 + 1 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7126316595 and 7126316604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2472976 + ... + 2475855.

It is an arithmetic number, because the mean of its divisors is an integer number (337757784).

Almost surely, 2^7126316640 is an apocalyptic number.

It is an amenable number.

7126316640 is an abundant number, since it is smaller than the sum of its proper divisors (17192243808).

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

7126316640 is a wasteful number, since it uses less digits than its factorization.

7126316640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948852 (or 4948841 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7126316640 is about 84417.5138226660. The cubic root of 7126316640 is about 1924.3690867716.

The spelling of 7126316640 in words is "seven billion, one hundred twenty-six million, three hundred sixteen thousand, six hundred forty".