240842625577 has 6 divisors (see below), whose sum is σ = 244187039742. Its totient is φ = 237543406272.

The previous prime is 240842625533. The next prime is 240842625593. The reversal of 240842625577 is 775526248042.

It can be written as a sum of positive squares in 3 ways, for example, as 17700705936 + 223141919641 = 133044^2 + 472379^2 .

It is not a de Polignac number, because 240842625577 - 2⁷ = 240842625449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240842625677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22592028 + ... + 22602685.

It is an arithmetic number, because the mean of its divisors is an integer number (40697839957).

Almost surely, 2^240842625577 is an apocalyptic number.

It is an amenable number.

240842625577 is a deficient number, since it is larger than the sum of its proper divisors (3344414165).

240842625577 is an frugal number, since it uses more digits than its factorization.

240842625577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45194859 (or 45194786 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 240842625577 in words is "two hundred forty billion, eight hundred forty-two million, six hundred twenty-five thousand, five hundred seventy-seven".