418889412 has 36 divisors (see below), whose sum is σ = 1061536476. Its totient is φ = 139276800.

The previous prime is 418889411. The next prime is 418889413. The reversal of 418889412 is 214988814.

It is an interprime number because it is at equal distance from previous prime (418889411) and next prime (418889413).

It can be written as a sum of positive squares in 2 ways, for example, as 280026756 + 138862656 = 16734^2 + 11784^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (418889411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73 + ... + 28944.

Almost surely, 2^418889412 is an apocalyptic number.

It is an amenable number.

418889412 is an abundant number, since it is smaller than the sum of its proper divisors (642647064).

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

418889412 is a wasteful number, since it uses less digits than its factorization.

418889412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29428 (or 29423 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 418889412 is about 20466.7880235273. The cubic root of 418889412 is about 748.2265725788.

The spelling of 418889412 in words is "four hundred eighteen million, eight hundred eighty-nine thousand, four hundred twelve".