240205363274545 has 8 divisors (see below), whose sum is σ = 288407557480680. Its totient is φ = 192056876252160.

The previous prime is 240205363274501. The next prime is 240205363274557. The reversal of 240205363274545 is 545472363502042.

It can be written as a sum of positive squares in 4 ways, for example, as 158816024541729 + 81389338732816 = 12602223^2 + 9021604^2 .

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

It is not a de Polignac number, because 240205363274545 - 2²¹ = 240205361177393 is a prime.

It is a super-2 number, since 2×240205363274545² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240205363274492 and 240205363274501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13426786096 + ... + 13426803985.

It is an arithmetic number, because the mean of its divisors is an integer number (36050944685085).

Almost surely, 2^{240205363274545} is an apocalyptic number.

It is an amenable number.

240205363274545 is a deficient number, since it is larger than the sum of its proper divisors (48202194206135).

240205363274545 is a wasteful number, since it uses less digits than its factorization.

240205363274545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26853591875.

The product of its (nonzero) digits is 24192000, while the sum is 52.

The spelling of 240205363274545 in words is "two hundred forty trillion, two hundred five billion, three hundred sixty-three million, two hundred seventy-four thousand, five hundred forty-five".