40031030225 has 18 divisors (see below), whose sum is σ = 51890523846. Its totient is φ = 30632430400.

The previous prime is 40031030191. The next prime is 40031030257. The reversal of 40031030225 is 52203013004.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11925513616 + 28105516609 = 109204^2 + 167647^2 .

It is not a de Polignac number, because 40031030225 - 2⁶ = 40031030161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40031030197 and 40031030206.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1500236 + ... + 1526685.

Almost surely, 2^40031030225 is an apocalyptic number.

It is an amenable number.

40031030225 is a deficient number, since it is larger than the sum of its proper divisors (11859493621).

40031030225 is a wasteful number, since it uses less digits than its factorization.

40031030225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026977 (or 3026949 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 40031030225 its reverse (52203013004), we get a palindrome (92234043229).

The spelling of 40031030225 in words is "forty billion, thirty-one million, thirty thousand, two hundred twenty-five".