264454320 has 80 divisors (see below), whose sum is σ = 882880992. Its totient is φ = 65095680.

The previous prime is 264454291. The next prime is 264454327. The reversal of 264454320 is 23454462.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (264454327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39261 + ... + 45500.

Almost surely, 2^264454320 is an apocalyptic number.

264454320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264454320 is an abundant number, since it is smaller than the sum of its proper divisors (618426672).

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

264454320 is a wasteful number, since it uses less digits than its factorization.

264454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84790 (or 84784 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 264454320 is about 16262.0515310953. The cubic root of 264454320 is about 641.8746467732.

The spelling of 264454320 in words is "two hundred sixty-four million, four hundred fifty-four thousand, three hundred twenty".