255342240415 has 16 divisors (see below), whose sum is σ = 332942008320. Its totient is φ = 187279875360.

The previous prime is 255342240403. The next prime is 255342240431. The reversal of 255342240415 is 514042243552.

It is not a de Polignac number, because 255342240415 - 2¹⁵ = 255342207647 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 43348879 + ... + 43354768.

It is an arithmetic number, because the mean of its divisors is an integer number (20808875520).

Almost surely, 2^255342240415 is an apocalyptic number.

255342240415 is a deficient number, since it is larger than the sum of its proper divisors (77599767905).

255342240415 is a wasteful number, since it uses less digits than its factorization.

255342240415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86703702.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 255342240415 its reverse (514042243552), we get a palindrome (769384483967).

The spelling of 255342240415 in words is "two hundred fifty-five billion, three hundred forty-two million, two hundred forty thousand, four hundred fifteen".