418621872 has 40 divisors (see below), whose sum is σ = 1145056176. Its totient is φ = 131332096.

The previous prime is 418621793. The next prime is 418621883. The reversal of 418621872 is 278126814.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 418621872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255693 + ... + 257324.

Almost surely, 2^418621872 is an apocalyptic number.

It is an amenable number.

418621872 is an abundant number, since it is smaller than the sum of its proper divisors (726434304).

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

418621872 is a wasteful number, since it uses less digits than its factorization.

418621872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513045 (or 513039 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 418621872 is about 20460.2510248530. The cubic root of 418621872 is about 748.0672439952.

It can be divided in two parts, 41862 and 1872, that added together give a palindrome (43734).

The spelling of 418621872 in words is "four hundred eighteen million, six hundred twenty-one thousand, eight hundred seventy-two".