40031204 has 6 divisors (see below), whose sum is σ = 70054614. Its totient is φ = 20015600.

The previous prime is 40031203. The next prime is 40031213. The reversal of 40031204 is 40213004.

40031204 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 only one way, i.e., 39942400 + 88804 = 6320^2 + 298^2 .

It is not an unprimeable number, because it can be changed into a prime (40031203) by changing a digit.

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 as a sum of consecutive naturals, namely, 5003897 + ... + 5003904.

It is an arithmetic number, because the mean of its divisors is an integer number (11675769).

Almost surely, 2^40031204 is an apocalyptic number.

It is an amenable number.

40031204 is a deficient number, since it is larger than the sum of its proper divisors (30023410).

40031204 is a wasteful number, since it uses less digits than its factorization.

40031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007805 (or 10007803 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40031204 is about 6327.0217322213. The cubic root of 40031204 is about 342.0840963696.

Adding to 40031204 its reverse (40213004), we get a palindrome (80244208).

The spelling of 40031204 in words is "forty million, thirty-one thousand, two hundred four".