264165444480 has 192 divisors, whose sum is σ = 979501556880. Its totient is φ = 60380651520.

The previous prime is 264165444469. The next prime is 264165444509. The reversal of 264165444480 is 84444561462.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309861 + ... + 1498020.

Almost surely, 2^264165444480 is an apocalyptic number.

264165444480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264165444480 is an abundant number, since it is smaller than the sum of its proper divisors (715336112400).

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

264165444480 is a wasteful number, since it uses less digits than its factorization.

264165444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807917 (or 2807898 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 48.

It can be divided in two parts, 264165 and 444480, that added together give a triangular number (708645 = T₁₁₉₀).

The spelling of 264165444480 in words is "two hundred sixty-four billion, one hundred sixty-five million, four hundred forty-four thousand, four hundred eighty".