269468784864 has 72 divisors (see below), whose sum is σ = 811378451520. Its totient is φ = 84539225088.

The previous prime is 269468784863. The next prime is 269468784887. The reversal of 269468784864 is 468487864962.

269468784864 is a `hidden beast` number, since 2 + 6 + 9 + 468 + 7 + 84 + 86 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×269468784864² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 269468784792 and 269468784801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269468784863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27514384 + ... + 27524175.

It is an arithmetic number, because the mean of its divisors is an integer number (11269145160).

Almost surely, 2^269468784864 is an apocalyptic number.

269468784864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

269468784864 is an abundant number, since it is smaller than the sum of its proper divisors (541909666656).

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

269468784864 is a wasteful number, since it uses less digits than its factorization.

269468784864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55038592 (or 55038581 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 72.

The spelling of 269468784864 in words is "two hundred sixty-nine billion, four hundred sixty-eight million, seven hundred eighty-four thousand, eight hundred sixty-four".