264432642505415 has 8 divisors (see below), whose sum is σ = 334020180006960. Its totient is φ = 200412108004032.

The previous prime is 264432642505373. The next prime is 264432642505523. The reversal of 264432642505415 is 514505246234462.

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 264432642505415 - 2¹⁸ = 264432642243271 is a prime.

It is a super-2 number, since 2×264432642505415² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391750749934 + ... + 1391750750123.

It is an arithmetic number, because the mean of its divisors is an integer number (41752522500870).

Almost surely, 2^{264432642505415} is an apocalyptic number.

264432642505415 is a deficient number, since it is larger than the sum of its proper divisors (69587537501545).

264432642505415 is a wasteful number, since it uses less digits than its factorization.

264432642505415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783501500081.

The product of its (nonzero) digits is 27648000, while the sum is 53.

Adding to 264432642505415 its reverse (514505246234462), we get a palindrome (778937888739877).

The spelling of 264432642505415 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, six hundred forty-two million, five hundred five thousand, four hundred fifteen".