418542378 has 32 divisors (see below), whose sum is σ = 855562176. Its totient is φ = 136451328.

The previous prime is 418542353. The next prime is 418542403. The reversal of 418542378 is 873245814.

It is an interprime number because it is at equal distance from previous prime (418542353) and next prime (418542403).

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, 108450 + ... + 112242.

It is an arithmetic number, because the mean of its divisors is an integer number (26736318).

Almost surely, 2^418542378 is an apocalyptic number.

418542378 is an abundant number, since it is smaller than the sum of its proper divisors (437019798).

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

418542378 is a wasteful number, since it uses less digits than its factorization.

418542378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198.

The product of its digits is 215040, while the sum is 42.

The square root of 418542378 is about 20458.3082878326. The cubic root of 418542378 is about 748.0198897072.

The spelling of 418542378 in words is "four hundred eighteen million, five hundred forty-two thousand, three hundred seventy-eight".