269139040 has 24 divisors (see below), whose sum is σ = 635841360. Its totient is φ = 107655552.

The previous prime is 269139011. The next prime is 269139049. The reversal of 269139040 is 40931962.

It is a junction number, because it is equal to n+sod(n) for n = 269138987 and 269139005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269139049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840900 + ... + 841219.

It is an arithmetic number, because the mean of its divisors is an integer number (26493390).

Almost surely, 2^269139040 is an apocalyptic number.

269139040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269139040 is an abundant number, since it is smaller than the sum of its proper divisors (366702320).

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

269139040 is a wasteful number, since it uses less digits than its factorization.

269139040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682134 (or 1682126 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 269139040 is about 16405.4576284845. The cubic root of 269139040 is about 645.6426821317.

It can be divided in two parts, 26913 and 9040, that added together give a palindrome (35953).

The spelling of 269139040 in words is "two hundred sixty-nine million, one hundred thirty-nine thousand, forty".