240274332721 has 2 divisors, whose sum is σ = 240274332722. Its totient is φ = 240274332720.

The previous prime is 240274332713. The next prime is 240274332731. The reversal of 240274332721 is 127233472042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239621019121 + 653313600 = 489511^2 + 25560^2 .

It is a cyclic number.

It is not a de Polignac number, because 240274332721 - 2³ = 240274332713 is a prime.

It is a super-2 number, since 2×240274332721² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240274332731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120137166360 + 120137166361.

It is an arithmetic number, because the mean of its divisors is an integer number (120137166361).

Almost surely, 2^240274332721 is an apocalyptic number.

It is an amenable number.

240274332721 is a deficient number, since it is larger than the sum of its proper divisors (1).

240274332721 is an equidigital number, since it uses as much as digits as its factorization.

240274332721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 240274332721 in words is "two hundred forty billion, two hundred seventy-four million, three hundred thirty-two thousand, seven hundred twenty-one".