240735661355 has 32 divisors (see below), whose sum is σ = 346139163648. Its totient is φ = 157150224000.

The previous prime is 240735661351. The next prime is 240735661357. The reversal of 240735661355 is 553166537042.

It is not a de Polignac number, because 240735661355 - 2² = 240735661351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240735661351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538796 + ... + 878505.

It is an arithmetic number, because the mean of its divisors is an integer number (10816848864).

Almost surely, 2^240735661355 is an apocalyptic number.

240735661355 is a deficient number, since it is larger than the sum of its proper divisors (105403502293).

240735661355 is a wasteful number, since it uses less digits than its factorization.

240735661355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417547.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 240735661355 in words is "two hundred forty billion, seven hundred thirty-five million, six hundred sixty-one thousand, three hundred fifty-five".