7216652440 has 32 divisors (see below), whose sum is σ = 16761260160. Its totient is φ = 2793542400.

The previous prime is 7216652413. The next prime is 7216652483. The reversal of 7216652440 is 442566127.

It is a self number, because there is not a number n which added to its sum of digits gives 7216652440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908701 + ... + 2911180.

It is an arithmetic number, because the mean of its divisors is an integer number (523789380).

Almost surely, 2^7216652440 is an apocalyptic number.

It is an amenable number.

7216652440 is an abundant number, since it is smaller than the sum of its proper divisors (9544607720).

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

7216652440 is a wasteful number, since it uses less digits than its factorization.

7216652440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819923 (or 5819919 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 7216652440 is about 84950.8825145448. The cubic root of 7216652440 is about 1932.4663039210.

The spelling of 7216652440 in words is "seven billion, two hundred sixteen million, six hundred fifty-two thousand, four hundred forty".