40105700 has 18 divisors (see below), whose sum is σ = 87029586. Its totient is φ = 16042240.

The previous prime is 40105691. The next prime is 40105727. The reversal of 40105700 is 750104.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 440896 + 39664804 = 664^2 + 6298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200429 + ... + 200628.

It is an arithmetic number, because the mean of its divisors is an integer number (4834977).

Almost surely, 2^40105700 is an apocalyptic number.

It is an amenable number.

40105700 is an abundant number, since it is smaller than the sum of its proper divisors (46923886).

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

40105700 is a wasteful number, since it uses less digits than its factorization.

40105700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401071 (or 401064 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 40105700 is about 6332.9061259425. The cubic root of 40105700 is about 342.2961651439.

Adding to 40105700 its reverse (750104), we get a palindrome (40855804).

The spelling of 40105700 in words is "forty million, one hundred five thousand, seven hundred".