65226940928 has 30 divisors (see below), whose sum is σ = 130338033111. Its totient is φ = 32610580992.

The previous prime is 65226940921. The next prime is 65226940991. The reversal of 65226940928 is 82904962256.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 32613470464 + 32613470464 = 180592^2 + 180592^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=180592.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65226940928.

It is not an unprimeable number, because it can be changed into a prime (65226940921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5773301 + ... + 5784587.

Almost surely, 2^65226940928 is an apocalyptic number.

It is an amenable number.

65226940928 is a deficient number, since it is larger than the sum of its proper divisors (65111092183).

65226940928 is an frugal number, since it uses more digits than its factorization.

65226940928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22592 (or 11289 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 65226940928 in words is "sixty-five billion, two hundred twenty-six million, nine hundred forty thousand, nine hundred twenty-eight".