269052640 has 24 divisors (see below), whose sum is σ = 635637240. Its totient is φ = 107620992.

The previous prime is 269052611. The next prime is 269052649. The reversal of 269052640 is 46250962.

It is a junction number, because it is equal to n+sod(n) for n = 269052596 and 269052605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269052649) 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, 840630 + ... + 840949.

It is an arithmetic number, because the mean of its divisors is an integer number (26484885).

Almost surely, 2^269052640 is an apocalyptic number.

269052640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269052640 is an abundant number, since it is smaller than the sum of its proper divisors (366584600).

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

269052640 is a wasteful number, since it uses less digits than its factorization.

269052640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681594 (or 1681586 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 269052640 is about 16402.8241470791. The cubic root of 269052640 is about 645.5735858781.

The spelling of 269052640 in words is "two hundred sixty-nine million, fifty-two thousand, six hundred forty".