1255824000 has 768 divisors, whose sum is σ = 5212771200. Its totient is φ = 298598400.

The previous prime is 1255823963. The next prime is 1255824023. The reversal of 1255824000 is 4285521.

It is a happy number.

1255824000 is a `hidden beast` number, since 1 + 255 + 8 + 2 + 400 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66095991 + ... + 66096009.

Almost surely, 2^1255824000 is an apocalyptic number.

1255824000 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 1255824000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606385600).

1255824000 is an abundant number, since it is smaller than the sum of its proper divisors (3956947200).

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

1255824000 is an equidigital number, since it uses as much as digits as its factorization.

1255824000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1255824000 is about 35437.6071426952. The cubic root of 1255824000 is about 1078.8877438063.

The spelling of 1255824000 in words is "one billion, two hundred fifty-five million, eight hundred twenty-four thousand".