40005005050 has 12 divisors (see below), whose sum is σ = 74409309486. Its totient is φ = 16002002000.

The previous prime is 40005005017. The next prime is 40005005107. The reversal of 40005005050 is 5050050004.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34243132401 + 5761872649 = 185049^2 + 75907^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400050001 + ... + 400050100.

Almost surely, 2^40005005050 is an apocalyptic number.

40005005050 is a deficient number, since it is larger than the sum of its proper divisors (34404304436).

40005005050 is a wasteful number, since it uses less digits than its factorization.

40005005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800100113 (or 800100108 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 40005005050 its reverse (5050050004), we get a palindrome (45055055054).

The spelling of 40005005050 in words is "forty billion, five million, five thousand, fifty".