264405835464 has 32 divisors (see below), whose sum is σ = 661027500000. Its totient is φ = 88133556992.

The previous prime is 264405835439. The next prime is 264405835481. The reversal of 264405835464 is 464538504462.

It is a happy 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, 1948912 + ... + 2080160.

It is an arithmetic number, because the mean of its divisors is an integer number (20657109375).

Almost surely, 2^264405835464 is an apocalyptic number.

264405835464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

264405835464 is an abundant number, since it is smaller than the sum of its proper divisors (396621664536).

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

264405835464 is a wasteful number, since it uses less digits than its factorization.

264405835464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215197 (or 215193 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 51.

The spelling of 264405835464 in words is "two hundred sixty-four billion, four hundred five million, eight hundred thirty-five thousand, four hundred sixty-four".