240400269 has 12 divisors (see below), whose sum is σ = 347448192. Its totient is φ = 160173000.

The previous prime is 240400243. The next prime is 240400283. The reversal of 240400269 is 962004042.

It is not a de Polignac number, because 240400269 - 2¹⁹ = 239875981 is a prime.

It is a super-2 number, since 2×240400269² = 115584578670544722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240400289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10714 + ... + 24404.

It is an arithmetic number, because the mean of its divisors is an integer number (28954016).

Almost surely, 2^240400269 is an apocalyptic number.

It is an amenable number.

240400269 is a deficient number, since it is larger than the sum of its proper divisors (107047923).

240400269 is a wasteful number, since it uses less digits than its factorization.

240400269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 240400269 is about 15504.8466293608. The cubic root of 240400269 is about 621.7917895415.

The spelling of 240400269 in words is "two hundred forty million, four hundred thousand, two hundred sixty-nine".