255534720736 has 12 divisors (see below), whose sum is σ = 503083981512. Its totient is φ = 127767360352.

The previous prime is 255534720733. The next prime is 255534720739. The reversal of 255534720736 is 637027435552.

It is an interprime number because it is at equal distance from previous prime (255534720733) and next prime (255534720739).

It is a self number, because there is not a number n which added to its sum of digits gives 255534720736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255534720733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992729980 + ... + 3992730043.

It is an arithmetic number, because the mean of its divisors is an integer number (41923665126).

Almost surely, 2^255534720736 is an apocalyptic number.

It is an amenable number.

255534720736 is a deficient number, since it is larger than the sum of its proper divisors (247549260776).

255534720736 is an equidigital number, since it uses as much as digits as its factorization.

255534720736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985460033 (or 7985460025 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 49.

The spelling of 255534720736 in words is "two hundred fifty-five billion, five hundred thirty-four million, seven hundred twenty thousand, seven hundred thirty-six".