264033689928 has 32 divisors (see below), whose sum is σ = 660336226560. Its totient is φ = 87977629760.

The previous prime is 264033689923. The next prime is 264033689947. The reversal of 264033689928 is 829986330462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (264033689921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035800 + ... + 2161607.

It is an arithmetic number, because the mean of its divisors is an integer number (20635507080).

Almost surely, 2^264033689928 is an apocalyptic number.

It is an amenable number.

264033689928 is an abundant number, since it is smaller than the sum of its proper divisors (396302536632).

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

264033689928 is a wasteful number, since it uses less digits than its factorization.

264033689928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200037 (or 4200033 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 264033689928 in words is "two hundred sixty-four billion, thirty-three million, six hundred eighty-nine thousand, nine hundred twenty-eight".