418663344 has 80 divisors (see below), whose sum is σ = 1194923520. Its totient is φ = 125249280.

The previous prime is 418663331. The next prime is 418663367. The reversal of 418663344 is 443366814.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 36694 + ... + 46730.

It is an arithmetic number, because the mean of its divisors is an integer number (14936544).

Almost surely, 2^418663344 is an apocalyptic number.

418663344 is a gapful number since it is divisible by the number (44) 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 418663344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597461760).

418663344 is an abundant number, since it is smaller than the sum of its proper divisors (776260176).

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

418663344 is a wasteful number, since it uses less digits than its factorization.

418663344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138 (or 10132 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 418663344 is about 20461.2644770552. The cubic root of 418663344 is about 748.0919463359.

The spelling of 418663344 in words is "four hundred eighteen million, six hundred sixty-three thousand, three hundred forty-four".