264532575457 has 8 divisors (see below), whose sum is σ = 269535556584. Its totient is φ = 259530031488.

The previous prime is 264532575449. The next prime is 264532575467. The reversal of 264532575457 is 754575235462.

It can be written as a sum of positive squares in 4 ways, for example, as 44774136801 + 219758438656 = 211599^2 + 468784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264532575457 - 2³ = 264532575449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264532575398 and 264532575407.

It is not an unprimeable number, because it can be changed into a prime (264532575467) 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, 1277083 + ... + 1469695.

It is an arithmetic number, because the mean of its divisors is an integer number (33691944573).

Almost surely, 2^264532575457 is an apocalyptic number.

It is an amenable number.

264532575457 is a deficient number, since it is larger than the sum of its proper divisors (5002981127).

264532575457 is a wasteful number, since it uses less digits than its factorization.

264532575457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218579.

The product of its digits is 35280000, while the sum is 55.

The spelling of 264532575457 in words is "two hundred sixty-four billion, five hundred thirty-two million, five hundred seventy-five thousand, four hundred fifty-seven".