240238669 has 8 divisors (see below), whose sum is σ = 269162208. Its totient is φ = 212495760.

The previous prime is 240238651. The next prime is 240238709. The reversal of 240238669 is 966832042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240238669 - 2⁷ = 240238541 is a prime.

It is a super-2 number, since 2×240238669² = 115429236165783122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240238469) 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, 294727 + ... + 295540.

It is an arithmetic number, because the mean of its divisors is an integer number (33645276).

Almost surely, 2^240238669 is an apocalyptic number.

It is an amenable number.

240238669 is a deficient number, since it is larger than the sum of its proper divisors (28923539).

240238669 is a wasteful number, since it uses less digits than its factorization.

240238669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590315.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 240238669 is about 15499.6344795611. The cubic root of 240238669 is about 621.6524329634.

The spelling of 240238669 in words is "two hundred forty million, two hundred thirty-eight thousand, six hundred sixty-nine".