264440452124220 has 48 divisors (see below), whose sum is σ = 740827743229728. Its totient is φ = 70479884634880.

The previous prime is 264440452124209. The next prime is 264440452124227. The reversal of 264440452124220 is 22421254044462.

264440452124220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264440452124227) 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, 1173925971 + ... + 1174151210.

It is an arithmetic number, because the mean of its divisors is an integer number (15433911317286).

Almost surely, 2^{264440452124220} is an apocalyptic number.

264440452124220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264440452124220 is an abundant number, since it is smaller than the sum of its proper divisors (476387291105508).

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

264440452124220 is a wasteful number, since it uses less digits than its factorization.

264440452124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348079070 (or 2348079068 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 42.

The spelling of 264440452124220 in words is "two hundred sixty-four trillion, four hundred forty billion, four hundred fifty-two million, one hundred twenty-four thousand, two hundred twenty".