269438040 has 96 divisors (see below), whose sum is σ = 880308000. Its totient is φ = 71470080.

The previous prime is 269438023. The next prime is 269438051. The reversal of 269438040 is 40834962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 269437986 and 269438004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69760 + ... + 73520.

It is an arithmetic number, because the mean of its divisors is an integer number (9169875).

Almost surely, 2^269438040 is an apocalyptic number.

269438040 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 269438040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440154000).

269438040 is an abundant number, since it is smaller than the sum of its proper divisors (610869960).

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

269438040 is a wasteful number, since it uses less digits than its factorization.

269438040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 269438040 is about 16414.5679199911. The cubic root of 269438040 is about 645.8816858792.

The spelling of 269438040 in words is "two hundred sixty-nine million, four hundred thirty-eight thousand, forty".