1255468320 has 144 divisors (see below), whose sum is σ = 4509872640. Its totient is φ = 317164032.

The previous prime is 1255468303. The next prime is 1255468337. The reversal of 1255468320 is 238645521.

1255468320 is a `hidden beast` number, since 1 + 2 + 554 + 6 + 83 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1255468303) and next prime (1255468337).

It is a tau number, because it is divible by the number of its divisors (144).

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, 4417 + ... + 50303.

It is an arithmetic number, because the mean of its divisors is an integer number (31318560).

Almost surely, 2^1255468320 is an apocalyptic number.

1255468320 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 1255468320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254936320).

1255468320 is an abundant number, since it is smaller than the sum of its proper divisors (3254404320).

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

1255468320 is a wasteful number, since it uses less digits than its factorization.

1255468320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45927 (or 45916 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1255468320 is about 35432.5883897860. The cubic root of 1255468320 is about 1078.7858784105.

The spelling of 1255468320 in words is "one billion, two hundred fifty-five million, four hundred sixty-eight thousand, three hundred twenty".