255373888 has 126 divisors (see below), whose sum is σ = 648918438. Its totient is φ = 99348480.

The previous prime is 255373873. The next prime is 255373897. The reversal of 255373888 is 888373552.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200732224 + 54641664 = 14168^2 + 7392^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 379120 + ... + 379792.

Almost surely, 2^255373888 is an apocalyptic number.

255373888 is a gapful number since it is divisible by the number (28) 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 255373888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324459219).

255373888 is an abundant number, since it is smaller than the sum of its proper divisors (393544550).

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

255373888 is a wasteful number, since it uses less digits than its factorization.

255373888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 693 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 255373888 is about 15980.4220219617. The cubic root of 255373888 is about 634.4423467145.

The spelling of 255373888 in words is "two hundred fifty-five million, three hundred seventy-three thousand, eight hundred eighty-eight".