240364081 has 4 divisors (see below), whose sum is σ = 241019392. Its totient is φ = 239708772.

The previous prime is 240364067. The next prime is 240364121. The reversal of 240364081 is 180463042.

240364081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240364081 - 2⁹ = 240363569 is a prime.

It is a super-2 number, since 2×240364081² = 115549782869949122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240364021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327105 + ... + 327838.

It is an arithmetic number, because the mean of its divisors is an integer number (60254848).

Almost surely, 2^240364081 is an apocalyptic number.

It is an amenable number.

240364081 is a deficient number, since it is larger than the sum of its proper divisors (655311).

240364081 is an equidigital number, since it uses as much as digits as its factorization.

240364081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655310.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 240364081 is about 15503.6795955025. The cubic root of 240364081 is about 621.7605880645.

The spelling of 240364081 in words is "two hundred forty million, three hundred sixty-four thousand, eighty-one".