68255460 has 240 divisors, whose sum is σ = 264101376. Its totient is φ = 14370048.

The previous prime is 68255443. The next prime is 68255479. The reversal of 68255460 is 6455286.

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

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 79 ways as a sum of consecutive naturals, for example, 147189 + ... + 147651.

Almost surely, 2^68255460 is an apocalyptic number.

68255460 is a gapful number since it is divisible by the number (60) 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 68255460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132050688).

68255460 is an abundant number, since it is smaller than the sum of its proper divisors (195845916).

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

68255460 is a wasteful number, since it uses less digits than its factorization.

68255460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 493 counting only the distinct ones).

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

The square root of 68255460 is about 8261.6862685532. The cubic root of 68255460 is about 408.6759987236.

The spelling of 68255460 in words is "sixty-eight million, two hundred fifty-five thousand, four hundred sixty".