269131240 has 32 divisors (see below), whose sum is σ = 692052480. Its totient is φ = 92273472.

The previous prime is 269131201. The next prime is 269131241. The reversal of 269131240 is 42131962.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 269131199 and 269131208.

It is not an unprimeable number, because it can be changed into a prime (269131241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480312 + ... + 480871.

It is an arithmetic number, because the mean of its divisors is an integer number (21626640).

Almost surely, 2^269131240 is an apocalyptic number.

269131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269131240 is an abundant number, since it is smaller than the sum of its proper divisors (422921240).

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

269131240 is a wasteful number, since it uses less digits than its factorization.

269131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961201 (or 961197 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 269131240 is about 16405.2199009949. The cubic root of 269131240 is about 645.6364448828.

The spelling of 269131240 in words is "two hundred sixty-nine million, one hundred thirty-one thousand, two hundred forty".