255174471720 has 480 divisors, whose sum is σ = 1020927045600. Its totient is φ = 56967660288.

The previous prime is 255174471667. The next prime is 255174471733. The reversal of 255174471720 is 27174471552.

It is a happy number.

255174471720 is a `hidden beast` number, since 2 + 5 + 5 + 174 + 471 + 7 + 2 + 0 = 666.

It is a super-2 number, since 2×255174471720² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6807991 + ... + 6845369.

It is an arithmetic number, because the mean of its divisors is an integer number (2126931345).

Almost surely, 2^255174471720 is an apocalyptic number.

255174471720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255174471720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510463522800).

255174471720 is an abundant number, since it is smaller than the sum of its proper divisors (765752573880).

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

255174471720 is a wasteful number, since it uses less digits than its factorization.

255174471720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37459 (or 37439 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The spelling of 255174471720 in words is "two hundred fifty-five billion, one hundred seventy-four million, four hundred seventy-one thousand, seven hundred twenty".