240844097377 has 4 divisors (see below), whose sum is σ = 259370566420. Its totient is φ = 222317628336.

The previous prime is 240844097353. The next prime is 240844097381. The reversal of 240844097377 is 773790448042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32601552481 + 208242544896 = 180559^2 + 456336^2 .

It is a cyclic number.

It is not a de Polignac number, because 240844097377 - 2¹⁵ = 240844064609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240844097177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263234502 + ... + 9263234527.

It is an arithmetic number, because the mean of its divisors is an integer number (64842641605).

Almost surely, 2^240844097377 is an apocalyptic number.

It is an amenable number.

240844097377 is a deficient number, since it is larger than the sum of its proper divisors (18526469043).

240844097377 is a wasteful number, since it uses less digits than its factorization.

240844097377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526469042.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 240844097377 in words is "two hundred forty billion, eight hundred forty-four million, ninety-seven thousand, three hundred seventy-seven".