240561122660205 has 32 divisors (see below), whose sum is σ = 387532873525248. Its totient is φ = 127421680588800.

The previous prime is 240561122660197. The next prime is 240561122660213. The reversal of 240561122660205 is 502066221165042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240561122660197) and next prime (240561122660213).

It is not a de Polignac number, because 240561122660205 - 2³ = 240561122660197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19223076 + ... + 29165885.

It is an arithmetic number, because the mean of its divisors is an integer number (12110402297664).

Almost surely, 2^{240561122660205} is an apocalyptic number.

It is an amenable number.

240561122660205 is a deficient number, since it is larger than the sum of its proper divisors (146971750865043).

240561122660205 is a wasteful number, since it uses less digits than its factorization.

240561122660205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48391237.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 240561122660205 in words is "two hundred forty trillion, five hundred sixty-one billion, one hundred twenty-two million, six hundred sixty thousand, two hundred five".