459018378 has 240 divisors, whose sum is σ = 1345824480. Its totient is φ = 112021056.

The previous prime is 459018347. The next prime is 459018401. The reversal of 459018378 is 873810954.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10674825 + ... + 10674867.

It is an arithmetic number, because the mean of its divisors is an integer number (5607602).

Almost surely, 2^459018378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 459018378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672912240).

459018378 is an abundant number, since it is smaller than the sum of its proper divisors (886806102).

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

459018378 is a wasteful number, since it uses less digits than its factorization.

459018378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 459018378 is about 21424.7141871251. The cubic root of 459018378 is about 771.3947722699.

The spelling of 459018378 in words is "four hundred fifty-nine million, eighteen thousand, three hundred seventy-eight".