255741411637640 has 32 divisors (see below), whose sum is σ = 575480906561880. Its totient is φ = 102285412588032.

The previous prime is 255741411637627. The next prime is 255741411637651. The reversal of 255741411637640 is 46736114147552.

It can be written as a sum of positive squares in 4 ways, for example, as 48389302762564 + 207352108875076 = 6956242^2 + 14399726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348130589 + ... + 348864428.

Almost surely, 2^{255741411637640} is an apocalyptic number.

255741411637640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255741411637640 is an abundant number, since it is smaller than the sum of its proper divisors (319739494924240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255741411637640 is a wasteful number, since it uses less digits than its factorization.

255741411637640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697004201 (or 697004197 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 255741411637640 in words is "two hundred fifty-five trillion, seven hundred forty-one billion, four hundred eleven million, six hundred thirty-seven thousand, six hundred forty".