40042041232 has 20 divisors (see below), whose sum is σ = 79473686796. Its totient is φ = 19532702720.

The previous prime is 40042041217. The next prime is 40042041239. The reversal of 40042041232 is 23214024004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22068885136 + 17973156096 = 148556^2 + 134064^2 .

It is not an unprimeable number, because it can be changed into a prime (40042041239) 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, 30519193 + ... + 30520504.

Almost surely, 2^40042041232 is an apocalyptic number.

It is an amenable number.

40042041232 is a deficient number, since it is larger than the sum of its proper divisors (39431645564).

40042041232 is a wasteful number, since it uses less digits than its factorization.

40042041232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61039746 (or 61039740 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40042041232 its reverse (23214024004), we get a palindrome (63256065236).

The spelling of 40042041232 in words is "forty billion, forty-two million, forty-one thousand, two hundred thirty-two".