40418100 has 54 divisors (see below), whose sum is σ = 126691110. Its totient is φ = 10777920.

The previous prime is 40418093. The next prime is 40418113. The reversal of 40418100 is 181404.

40418100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 197136 + 40220964 = 444^2 + 6342^2 .

It is a super-2 number, since 2×40418100² = 3267245615220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21555 + ... + 23354.

Almost surely, 2^40418100 is an apocalyptic number.

It is an amenable number.

40418100 is an abundant number, since it is smaller than the sum of its proper divisors (86273010).

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

40418100 is a wasteful number, since it uses less digits than its factorization.

40418100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44929 (or 44919 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 40418100 is about 6357.5231025927. The cubic root of 40418100 is about 343.1826298934.

Adding to 40418100 its reverse (181404), we get a palindrome (40599504).

The spelling of 40418100 in words is "forty million, four hundred eighteen thousand, one hundred".