1255182480 has 120 divisors (see below), whose sum is σ = 4371511872. Its totient is φ = 334710144.

The previous prime is 1255182479. The next prime is 1255182493. The reversal of 1255182480 is 842815521.

1255182480 is a `hidden beast` number, since 1 + 2 + 551 + 8 + 24 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12844 + ... + 51723.

Almost surely, 2^1255182480 is an apocalyptic number.

1255182480 is a gapful number since it is divisible by the number (10) 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 1255182480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2185755936).

1255182480 is an abundant number, since it is smaller than the sum of its proper divisors (3116329392).

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

1255182480 is an equidigital number, since it uses as much as digits as its factorization.

1255182480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64595 (or 64577 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1255182480 is about 35428.5545852495. The cubic root of 1255182480 is about 1078.7040009800.

The spelling of 1255182480 in words is "one billion, two hundred fifty-five million, one hundred eighty-two thousand, four hundred eighty".