240277372655 has 4 divisors (see below), whose sum is σ = 288332847192. Its totient is φ = 192221898120.

The previous prime is 240277372639. The next prime is 240277372679. The reversal of 240277372655 is 556273772042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240277372655 - 2⁴ = 240277372639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24027737261 + ... + 24027737270.

It is an arithmetic number, because the mean of its divisors is an integer number (72083211798).

Almost surely, 2^240277372655 is an apocalyptic number.

240277372655 is a deficient number, since it is larger than the sum of its proper divisors (48055474537).

240277372655 is an equidigital number, since it uses as much as digits as its factorization.

240277372655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48055474536.

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 240277372655 in words is "two hundred forty billion, two hundred seventy-seven million, three hundred seventy-two thousand, six hundred fifty-five".