240344661 has 8 divisors (see below), whose sum is σ = 337325920. Its totient is φ = 151796592.

The previous prime is 240344617. The next prime is 240344669. The reversal of 240344661 is 166443042.

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

It is not a de Polignac number, because 240344661 - 2²¹ = 238247509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240344669) 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, 2108230 + ... + 2108343.

It is an arithmetic number, because the mean of its divisors is an integer number (42165740).

Almost surely, 2^240344661 is an apocalyptic number.

It is an amenable number.

240344661 is a deficient number, since it is larger than the sum of its proper divisors (96981259).

240344661 is a wasteful number, since it uses less digits than its factorization.

240344661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216595.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 240344661 is about 15503.0532799188. The cubic root of 240344661 is about 621.7438427508.

The spelling of 240344661 in words is "two hundred forty million, three hundred forty-four thousand, six hundred sixty-one".