255193077924 has 144 divisors (see below), whose sum is σ = 659716512000. Its totient is φ = 83157414912.

The previous prime is 255193077917. The next prime is 255193077947. The reversal of 255193077924 is 429770391552.

255193077924 is a `hidden beast` number, since 2 + 5 + 519 + 30 + 7 + 7 + 92 + 4 = 666.

255193077924 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 super-2 number, since 2×255193077924² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 163689457 + ... + 163691015.

Almost surely, 2^255193077924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255193077924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329858256000).

255193077924 is an abundant number, since it is smaller than the sum of its proper divisors (404523434076).

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

255193077924 is a wasteful number, since it uses less digits than its factorization.

255193077924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 255193077924 in words is "two hundred fifty-five billion, one hundred ninety-three million, seventy-seven thousand, nine hundred twenty-four".