418326840 has 96 divisors (see below), whose sum is σ = 1363452480. Its totient is φ = 111234816.

The previous prime is 418326823. The next prime is 418326841. The reversal of 418326840 is 48623814.

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

It is a junction number, because it is equal to n+sod(n) for n = 418326795 and 418326804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418326841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141457 + ... + 144383.

It is an arithmetic number, because the mean of its divisors is an integer number (14202630).

Almost surely, 2^418326840 is an apocalyptic number.

418326840 is a gapful number since it is divisible by the number (40) 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 418326840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681726240).

418326840 is an abundant number, since it is smaller than the sum of its proper divisors (945125640).

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

418326840 is a wasteful number, since it uses less digits than its factorization.

418326840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 418326840 is about 20453.0398718626. The cubic root of 418326840 is about 747.8914643249.

The spelling of 418326840 in words is "four hundred eighteen million, three hundred twenty-six thousand, eight hundred forty".