240275073397 has 2 divisors, whose sum is σ = 240275073398. Its totient is φ = 240275073396.

The previous prime is 240275073361. The next prime is 240275073407. The reversal of 240275073397 is 793370572042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193944232881 + 46330840516 = 440391^2 + 215246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240275073397 is a prime.

It is a super-2 number, since 2×240275073397² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240275073397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240275073497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120137536698 + 120137536699.

It is an arithmetic number, because the mean of its divisors is an integer number (120137536699).

Almost surely, 2^240275073397 is an apocalyptic number.

It is an amenable number.

240275073397 is a deficient number, since it is larger than the sum of its proper divisors (1).

240275073397 is an equidigital number, since it uses as much as digits as its factorization.

240275073397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 240275073397 in words is "two hundred forty billion, two hundred seventy-five million, seventy-three thousand, three hundred ninety-seven".