255633435504 has 120 divisors (see below), whose sum is σ = 771794901072. Its totient is φ = 78685501440.

The previous prime is 255633435503. The next prime is 255633435511. The reversal of 255633435504 is 405534336552.

255633435504 is a `hidden beast` number, since 2 + 5 + 5 + 63 + 34 + 3 + 550 + 4 = 666.

255633435504 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255633435504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255633435503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 855402 + ... + 1114889.

Almost surely, 2^255633435504 is an apocalyptic number.

255633435504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255633435504 is an abundant number, since it is smaller than the sum of its proper divisors (516161465568).

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

255633435504 is a wasteful number, since it uses less digits than its factorization.

255633435504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970375 (or 1970366 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

The spelling of 255633435504 in words is "two hundred fifty-five billion, six hundred thirty-three million, four hundred thirty-five thousand, five hundred four".