40032031322 has 4 divisors (see below), whose sum is σ = 60048046986. Its totient is φ = 20016015660.

The previous prime is 40032031313. The next prime is 40032031393. The reversal of 40032031322 is 22313023004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37760651041 + 2271380281 = 194321^2 + 47659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40032031294 and 40032031303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008007829 + ... + 10008007832.

Almost surely, 2^40032031322 is an apocalyptic number.

40032031322 is a deficient number, since it is larger than the sum of its proper divisors (20016015664).

40032031322 is a wasteful number, since it uses less digits than its factorization.

40032031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20016015663.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40032031322 its reverse (22313023004), we get a palindrome (62345054326).

The spelling of 40032031322 in words is "forty billion, thirty-two million, thirty-one thousand, three hundred twenty-two".