264576551928 has 64 divisors (see below), whose sum is σ = 754222764960. Its totient is φ = 76619452416.

The previous prime is 264576551927. The next prime is 264576551947. The reversal of 264576551928 is 829155675462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264576551923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24935925 + ... + 24946532.

Almost surely, 2^264576551928 is an apocalyptic number.

It is an amenable number.

264576551928 is an abundant number, since it is smaller than the sum of its proper divisors (489646213032).

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

264576551928 is a wasteful number, since it uses less digits than its factorization.

264576551928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49882496 (or 49882492 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 264576551928 in words is "two hundred sixty-four billion, five hundred seventy-six million, five hundred fifty-one thousand, nine hundred twenty-eight".