40236100 has 18 divisors (see below), whose sum is σ = 87312554. Its totient is φ = 16094400.

The previous prime is 40236083. The next prime is 40236101. The reversal of 40236100 is 163204.

It can be written as a sum of positive squares in 3 ways, for example, as 91204 + 40144896 = 302^2 + 6336^2 .

It is not an unprimeable number, because it can be changed into a prime (40236101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201081 + ... + 201280.

Almost surely, 2^40236100 is an apocalyptic number.

It is an amenable number.

40236100 is an abundant number, since it is smaller than the sum of its proper divisors (47076454).

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

40236100 is a wasteful number, since it uses less digits than its factorization.

40236100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402375 (or 402368 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40236100 is about 6343.1932021656. The cubic root of 40236100 is about 342.6667453120. Note that the first 3 decimals are identical.

Adding to 40236100 its reverse (163204), we get a palindrome (40399304).

The spelling of 40236100 in words is "forty million, two hundred thirty-six thousand, one hundred".