255446040 has 64 divisors (see below), whose sum is σ = 778923360. Its totient is φ = 67000320.

The previous prime is 255446003. The next prime is 255446057. The reversal of 255446040 is 40644552.

255446040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 255445989 and 255446007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10129 + ... + 24768.

Almost surely, 2^255446040 is an apocalyptic number.

255446040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255446040 is an abundant number, since it is smaller than the sum of its proper divisors (523477320).

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

255446040 is a wasteful number, since it uses less digits than its factorization.

255446040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34972 (or 34968 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 255446040 is about 15982.6793748733. The cubic root of 255446040 is about 634.5020917601.

The spelling of 255446040 in words is "two hundred fifty-five million, four hundred forty-six thousand, forty".