40231010 has 16 divisors (see below), whose sum is σ = 76675896. Its totient is φ = 15145728.

The previous prime is 40231007. The next prime is 40231039. The reversal of 40231010 is 1013204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40157569 + 73441 = 6337^2 + 271^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40230982 and 40231000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118157 + ... + 118496.

Almost surely, 2^40231010 is an apocalyptic number.

40231010 is a deficient number, since it is larger than the sum of its proper divisors (36444886).

40231010 is a wasteful number, since it uses less digits than its factorization.

40231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236677.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40231010 is about 6342.7919719947. The cubic root of 40231010 is about 342.6522952096.

Adding to 40231010 its reverse (1013204), we get a palindrome (41244214).

The spelling of 40231010 in words is "forty million, two hundred thirty-one thousand, ten".