260265655464 has 32 divisors (see below), whose sum is σ = 661692348000. Its totient is φ = 85284790592.

The previous prime is 260265655459. The next prime is 260265655469. The reversal of 260265655464 is 464556562062.

It is an interprime number because it is at equal distance from previous prime (260265655459) and next prime (260265655469).

It is a super-2 number, since 2×260265655464² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260265655469) 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, 91900299 + ... + 91903130.

It is an arithmetic number, because the mean of its divisors is an integer number (20677885875).

Almost surely, 2^260265655464 is an apocalyptic number.

260265655464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

260265655464 is an abundant number, since it is smaller than the sum of its proper divisors (401426692536).

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

260265655464 is a wasteful number, since it uses less digits than its factorization.

260265655464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183803497 (or 183803493 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 260265655464 in words is "two hundred sixty billion, two hundred sixty-five million, six hundred fifty-five thousand, four hundred sixty-four".