40548018 has 16 divisors (see below), whose sum is σ = 92681280. Its totient is φ = 11585136.

The previous prime is 40548017. The next prime is 40548059. The reversal of 40548018 is 81084504.

It is not an unprimeable number, because it can be changed into a prime (40548017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482673 + ... + 482756.

It is an arithmetic number, because the mean of its divisors is an integer number (5792580).

Almost surely, 2^40548018 is an apocalyptic number.

40548018 is an abundant number, since it is smaller than the sum of its proper divisors (52133262).

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

40548018 is a wasteful number, since it uses less digits than its factorization.

40548018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965441.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 40548018 is about 6367.7325634797. The cubic root of 40548018 is about 343.5499398755.

The spelling of 40548018 in words is "forty million, five hundred forty-eight thousand, eighteen".