269453778380 has 48 divisors (see below), whose sum is σ = 570519180000. Its totient is φ = 106894910976.

The previous prime is 269453778367. The next prime is 269453778389. The reversal of 269453778380 is 83877354962.

It is a super-3 number, since 3×269453778380³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (269453778389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895216 + ... + 2032424.

It is an arithmetic number, because the mean of its divisors is an integer number (11885816250).

Almost surely, 2^269453778380 is an apocalyptic number.

269453778380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269453778380 is an abundant number, since it is smaller than the sum of its proper divisors (301065401620).

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

269453778380 is a wasteful number, since it uses less digits than its factorization.

269453778380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138026 (or 138024 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 269453778380 in words is "two hundred sixty-nine billion, four hundred fifty-three million, seven hundred seventy-eight thousand, three hundred eighty".