418942980 has 144 divisors (see below), whose sum is σ = 1314593280. Its totient is φ = 107928576.

The previous prime is 418942973. The next prime is 418942981. The reversal of 418942980 is 89249814.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (418942981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874381 + ... + 874859.

It is an arithmetic number, because the mean of its divisors is an integer number (9129120).

Almost surely, 2^418942980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 418942980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657296640).

418942980 is an abundant number, since it is smaller than the sum of its proper divisors (895650300).

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

418942980 is a wasteful number, since it uses less digits than its factorization.

418942980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 418942980 is about 20468.0966384273. The cubic root of 418942980 is about 748.2584658752.

The spelling of 418942980 in words is "four hundred eighteen million, nine hundred forty-two thousand, nine hundred eighty".