264220672575 has 48 divisors (see below), whose sum is σ = 452548490400. Its totient is φ = 135865766400.

The previous prime is 264220672561. The next prime is 264220672589. The reversal of 264220672575 is 575276022462.

It is a Cunningham number, because it is equal to 514024²-1.

It is an interprime number because it is at equal distance from previous prime (264220672561) and next prime (264220672589).

It is not a de Polignac number, because 264220672575 - 2⁶ = 264220672511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1456405 + ... + 1627745.

It is an arithmetic number, because the mean of its divisors is an integer number (9428093550).

Almost surely, 2^264220672575 is an apocalyptic number.

264220672575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264220672575 is a deficient number, since it is larger than the sum of its proper divisors (188327817825).

264220672575 is a wasteful number, since it uses less digits than its factorization.

264220672575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172092 (or 172087 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 264220672575 in words is "two hundred sixty-four billion, two hundred twenty million, six hundred seventy-two thousand, five hundred seventy-five".