265388460480 has 1792 divisors, whose sum is σ = 1169963827200. Its totient is φ = 56070144000.

The previous prime is 265388460451. The next prime is 265388460517. The reversal of 265388460480 is 84064883562.

265388460480 is a `hidden beast` number, since 2 + 6 + 538 + 8 + 4 + 60 + 48 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6472889260 + ... + 6472889300.

It is an arithmetic number, because the mean of its divisors is an integer number (652881600).

Almost surely, 2^265388460480 is an apocalyptic number.

265388460480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265388460480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584981913600).

265388460480 is an abundant number, since it is smaller than the sum of its proper divisors (904575366720).

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

265388460480 is a wasteful number, since it uses less digits than its factorization.

265388460480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 265388460480 in words is "two hundred sixty-five billion, three hundred eighty-eight million, four hundred sixty thousand, four hundred eighty".