255474059553720 has 192 divisors, whose sum is σ = 949631907294720. Its totient is φ = 58349254908672.

The previous prime is 255474059553697. The next prime is 255474059553761. The reversal of 255474059553720 is 27355950474552.

255474059553720 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 7 + 4 + 0 + 5 + 9 + 553 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35618434 + ... + 42185553.

It is an arithmetic number, because the mean of its divisors is an integer number (4945999517160).

Almost surely, 2^{255474059553720} is an apocalyptic number.

255474059553720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255474059553720 is an abundant number, since it is smaller than the sum of its proper divisors (694157847741000).

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

255474059553720 is a wasteful number, since it uses less digits than its factorization.

255474059553720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77805314 (or 77805307 counting only the distinct ones).

The product of its (nonzero) digits is 264600000, while the sum is 63.

The spelling of 255474059553720 in words is "two hundred fifty-five trillion, four hundred seventy-four billion, fifty-nine million, five hundred fifty-three thousand, seven hundred twenty".