7146612640 has 24 divisors (see below), whose sum is σ = 16883872740. Its totient is φ = 2858644992.

The previous prime is 7146612637. The next prime is 7146612659. The reversal of 7146612640 is 462166417.

It can be written as a sum of positive squares in 2 ways, for example, as 5953048336 + 1193564304 = 77156^2 + 34548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7146612640.

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 3 ways as a sum of consecutive naturals, for example, 22333005 + ... + 22333324.

Almost surely, 2^7146612640 is an apocalyptic number.

It is an amenable number.

7146612640 is an abundant number, since it is smaller than the sum of its proper divisors (9737260100).

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

7146612640 is a wasteful number, since it uses less digits than its factorization.

7146612640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44666344 (or 44666336 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 7146612640 is about 84537.6403739778. The cubic root of 7146612640 is about 1926.1942454030.

The spelling of 7146612640 in words is "seven billion, one hundred forty-six million, six hundred twelve thousand, six hundred forty".