269323808490 has 448 divisors, whose sum is σ = 866779149312. Its totient is φ = 59458406400.

The previous prime is 269323808489. The next prime is 269323808497. The reversal of 269323808490 is 94808323962.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (269323808497) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 42256944 + ... + 42263316.

Almost surely, 2^269323808490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269323808490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433389574656).

269323808490 is an abundant number, since it is smaller than the sum of its proper divisors (597455340822).

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

269323808490 is a wasteful number, since it uses less digits than its factorization.

269323808490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 269323808490 in words is "two hundred sixty-nine billion, three hundred twenty-three million, eight hundred eight thousand, four hundred ninety".