269421768 has 256 divisors, whose sum is σ = 948326400. Its totient is φ = 68843520.

The previous prime is 269421751. The next prime is 269421773. The reversal of 269421768 is 867124962.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1613221 + ... + 1613387.

It is an arithmetic number, because the mean of its divisors is an integer number (3704400).

Almost surely, 2^269421768 is an apocalyptic number.

269421768 is a gapful number since it is divisible by the number (28) 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 269421768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474163200).

269421768 is an abundant number, since it is smaller than the sum of its proper divisors (678904632).

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

269421768 is a wasteful number, since it uses less digits than its factorization.

269421768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 287 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 269421768 is about 16414.0722552327. The cubic root of 269421768 is about 645.8686835103.

The spelling of 269421768 in words is "two hundred sixty-nine million, four hundred twenty-one thousand, seven hundred sixty-eight".