418742180 has 12 divisors (see below), whose sum is σ = 879358620. Its totient is φ = 167496864.

The previous prime is 418742173. The next prime is 418742183. The reversal of 418742180 is 81247814.

It can be written as a sum of positive squares in 2 ways, for example, as 196672576 + 222069604 = 14024^2 + 14902^2 .

It is a super-2 number, since 2×418742180² = 350690026622304800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 418742180.

It is not an unprimeable number, because it can be changed into a prime (418742183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10468535 + ... + 10468574.

It is an arithmetic number, because the mean of its divisors is an integer number (73279885).

Almost surely, 2^418742180 is an apocalyptic number.

It is an amenable number.

418742180 is an abundant number, since it is smaller than the sum of its proper divisors (460616440).

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

418742180 is a wasteful number, since it uses less digits than its factorization.

418742180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937118 (or 20937116 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 418742180 is about 20463.1908557781. The cubic root of 418742180 is about 748.1388996347.

Adding to 418742180 its reverse (81247814), we get a palindrome (499989994).

The spelling of 418742180 in words is "four hundred eighteen million, seven hundred forty-two thousand, one hundred eighty".