418745407 has 4 divisors (see below), whose sum is σ = 419188536. Its totient is φ = 418302280.

The previous prime is 418745381. The next prime is 418745417. The reversal of 418745407 is 704547814.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704547814 = 2 ⋅352273907.

It is a cyclic number.

It is not a de Polignac number, because 418745407 - 2²³ = 410356799 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 418745407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418745417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220144 + ... + 222037.

It is an arithmetic number, because the mean of its divisors is an integer number (104797134).

Almost surely, 2^418745407 is an apocalyptic number.

418745407 is a deficient number, since it is larger than the sum of its proper divisors (443129).

418745407 is an equidigital number, since it uses as much as digits as its factorization.

418745407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443128.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 418745407 is about 20463.2697045218. The cubic root of 418745407 is about 748.1408214521.

It can be divided in two parts, 4187 and 45407, that added together give a palindrome (49594).

The spelling of 418745407 in words is "four hundred eighteen million, seven hundred forty-five thousand, four hundred seven".