264401326533 has 32 divisors (see below), whose sum is σ = 364531894272. Its totient is φ = 170364643200.

The previous prime is 264401326523. The next prime is 264401326571. The reversal of 264401326533 is 335623104462.

264401326533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264401326533 - 2²⁵ = 264367772101 is a prime.

It is a super-2 number, since 2×264401326533² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264401326491 and 264401326500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264401326523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43192713 + ... + 43198833.

It is an arithmetic number, because the mean of its divisors is an integer number (11391621696).

Almost surely, 2^264401326533 is an apocalyptic number.

It is an amenable number.

264401326533 is a deficient number, since it is larger than the sum of its proper divisors (100130567739).

264401326533 is a wasteful number, since it uses less digits than its factorization.

264401326533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 264401326533 in words is "two hundred sixty-four billion, four hundred one million, three hundred twenty-six thousand, five hundred thirty-three".