4185418040 has 64 divisors (see below), whose sum is σ = 10254708000. Its totient is φ = 1531353600.

The previous prime is 4185418033. The next prime is 4185418049. The reversal of 4185418040 is 408145814.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4185418049) 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 15 ways as a sum of consecutive naturals, for example, 72911 + ... + 116990.

Almost surely, 2^4185418040 is an apocalyptic number.

4185418040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4185418040 is an abundant number, since it is smaller than the sum of its proper divisors (6069289960).

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

4185418040 is a wasteful number, since it uses less digits than its factorization.

4185418040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189960 (or 189956 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 4185418040 is about 64694.8069013271. The cubic root of 4185418040 is about 1611.5592625069.

The spelling of 4185418040 in words is "four billion, one hundred eighty-five million, four hundred eighteen thousand, forty".