240028277 has 2 divisors, whose sum is σ = 240028278. Its totient is φ = 240028276.

The previous prime is 240028259. The next prime is 240028297. The reversal of 240028277 is 772820042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 114789796 = 11191^2 + 10714^2 .

It is a cyclic number.

It is not a de Polignac number, because 240028277 - 2¹² = 240024181 is a prime.

It is a super-2 number, since 2×240028277² = 115227147519177458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240028297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120014138 + 120014139.

It is an arithmetic number, because the mean of its divisors is an integer number (120014139).

Almost surely, 2^240028277 is an apocalyptic number.

It is an amenable number.

240028277 is a deficient number, since it is larger than the sum of its proper divisors (1).

240028277 is an equidigital number, since it uses as much as digits as its factorization.

240028277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 240028277 is about 15492.8459942000. The cubic root of 240028277 is about 621.4709066805.

The spelling of 240028277 in words is "two hundred forty million, twenty-eight thousand, two hundred seventy-seven".