40311323330 has 8 divisors (see below), whose sum is σ = 72560382012. Its totient is φ = 16124529328.

The previous prime is 40311323329. The next prime is 40311323383. The reversal of 40311323330 is 3332311304.

It can be written as a sum of positive squares in 2 ways, for example, as 35482880161 + 4828443169 = 188369^2 + 69487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40311323296 and 40311323305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015566157 + ... + 2015566176.

Almost surely, 2^40311323330 is an apocalyptic number.

40311323330 is a deficient number, since it is larger than the sum of its proper divisors (32249058682).

40311323330 is a wasteful number, since it uses less digits than its factorization.

40311323330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031132340.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 40311323330 its reverse (3332311304), we get a palindrome (43643634634).

The spelling of 40311323330 in words is "forty billion, three hundred eleven million, three hundred twenty-three thousand, three hundred thirty".