269340640 has 48 divisors (see below), whose sum is σ = 639182880. Its totient is φ = 107251200.

The previous prime is 269340629. The next prime is 269340641. The reversal of 269340640 is 46043962.

It is a junction number, because it is equal to n+sod(n) for n = 269340596 and 269340605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269340641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32965 + ... + 40315.

It is an arithmetic number, because the mean of its divisors is an integer number (13316310).

Almost surely, 2^269340640 is an apocalyptic number.

269340640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269340640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319591440).

269340640 is an abundant number, since it is smaller than the sum of its proper divisors (369842240).

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

269340640 is a wasteful number, since it uses less digits than its factorization.

269340640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 269340640 is about 16411.6007750615. The cubic root of 269340640 is about 645.8038492356.

The spelling of 269340640 in words is "two hundred sixty-nine million, three hundred forty thousand, six hundred forty".