40423204132 has 6 divisors (see below), whose sum is σ = 70740607238. Its totient is φ = 20211602064.

The previous prime is 40423204123. The next prime is 40423204177. The reversal of 40423204132 is 23140232404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29668684516 + 10754519616 = 172246^2 + 103704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40423204097 and 40423204106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052900513 + ... + 5052900520.

Almost surely, 2^40423204132 is an apocalyptic number.

It is an amenable number.

40423204132 is a deficient number, since it is larger than the sum of its proper divisors (30317403106).

40423204132 is a wasteful number, since it uses less digits than its factorization.

40423204132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105801037 (or 10105801035 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40423204132 its reverse (23140232404), we get a palindrome (63563436536).

The spelling of 40423204132 in words is "forty billion, four hundred twenty-three million, two hundred four thousand, one hundred thirty-two".