7954640268 has 12 divisors (see below), whose sum is σ = 18560827320. Its totient is φ = 2651546752.

The previous prime is 7954640257. The next prime is 7954640273. The reversal of 7954640268 is 8620464597.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7954640268² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7954640268.

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, 331443333 + ... + 331443356.

It is an arithmetic number, because the mean of its divisors is an integer number (1546735610).

Almost surely, 2^7954640268 is an apocalyptic number.

It is an amenable number.

7954640268 is an abundant number, since it is smaller than the sum of its proper divisors (10606187052).

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

7954640268 is a wasteful number, since it uses less digits than its factorization.

7954640268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662886696 (or 662886694 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 7954640268 is about 89188.7900355196. The cubic root of 7954640268 is about 1996.2128556285.

The spelling of 7954640268 in words is "seven billion, nine hundred fifty-four million, six hundred forty thousand, two hundred sixty-eight".