240811843844061 has 18 divisors (see below), whose sum is σ = 404629424691102. Its totient is φ = 137606767910640.

The previous prime is 240811843844023. The next prime is 240811843844083. The reversal of 240811843844061 is 160448348118042.

240811843844061 is a `hidden beast` number, since 2 + 4 + 0 + 8 + 118 + 43 + 84 + 406 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 227184627296025 + 13627216548036 = 15072645^2 + 3691506^2 .

It is not a de Polignac number, because 240811843844061 - 2⁶ = 240811843843997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240811843843989 and 240811843844007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240811843804061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 273029300970 + ... + 273029301851.

It is an arithmetic number, because the mean of its divisors is an integer number (22479412482839).

Almost surely, 2^{240811843844061} is an apocalyptic number.

240811843844061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240811843844061 is a deficient number, since it is larger than the sum of its proper divisors (163817580847041).

240811843844061 is a wasteful number, since it uses less digits than its factorization.

240811843844061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546058602841 (or 546058602831 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 240811843844061 in words is "two hundred forty trillion, eight hundred eleven billion, eight hundred forty-three million, eight hundred forty-four thousand, sixty-one".