264135556344 has 32 divisors (see below), whose sum is σ = 720369699840. Its totient is φ = 80041077600.

The previous prime is 264135556343. The next prime is 264135556361. The reversal of 264135556344 is 443655531462.

It is a junction number, because it is equal to n+sod(n) for n = 264135556293 and 264135556302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264135556343) 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, 500256472 + ... + 500256999.

It is an arithmetic number, because the mean of its divisors is an integer number (22511553120).

Almost surely, 2^264135556344 is an apocalyptic number.

264135556344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

264135556344 is an abundant number, since it is smaller than the sum of its proper divisors (456234143496).

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

264135556344 is a wasteful number, since it uses less digits than its factorization.

264135556344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000513491 (or 1000513487 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

The spelling of 264135556344 in words is "two hundred sixty-four billion, one hundred thirty-five million, five hundred fifty-six thousand, three hundred forty-four".