7255332636 has 24 divisors (see below), whose sum is σ = 17512872720. Its totient is φ = 2335049472.

The previous prime is 7255332631. The next prime is 7255332661. The reversal of 7255332636 is 6362335527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255332631) by changing a digit.

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, 10423981 + ... + 10424676.

It is an arithmetic number, because the mean of its divisors is an integer number (729703030).

Almost surely, 2^7255332636 is an apocalyptic number.

It is an amenable number.

7255332636 is an abundant number, since it is smaller than the sum of its proper divisors (10257540084).

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

7255332636 is a wasteful number, since it uses less digits than its factorization.

7255332636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848693 (or 20848691 counting only the distinct ones).

The product of its digits is 680400, while the sum is 42.

The square root of 7255332636 is about 85178.2403903720. The cubic root of 7255332636 is about 1935.9127322040.

The spelling of 7255332636 in words is "seven billion, two hundred fifty-five million, three hundred thirty-two thousand, six hundred thirty-six".