40531102012 has 12 divisors (see below), whose sum is σ = 70970943960. Its totient is φ = 20253689456.

The previous prime is 40531101943. The next prime is 40531102013. The reversal of 40531102012 is 21020113504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531102013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957698 + ... + 2971369.

It is an arithmetic number, because the mean of its divisors is an integer number (5914245330).

Almost surely, 2^40531102012 is an apocalyptic number.

It is an amenable number.

40531102012 is a deficient number, since it is larger than the sum of its proper divisors (30439841948).

40531102012 is a wasteful number, since it uses less digits than its factorization.

40531102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930780 (or 5930778 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 40531102012 its reverse (21020113504), we get a palindrome (61551215516).

The spelling of 40531102012 in words is "forty billion, five hundred thirty-one million, one hundred two thousand, twelve".