40012224194 has 4 divisors (see below), whose sum is σ = 60018336294. Its totient is φ = 20006112096.

The previous prime is 40012224149. The next prime is 40012224211. The reversal of 40012224194 is 49142221004.

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., 37956780625 + 2055443569 = 194825^2 + 45337^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003056047 + ... + 10003056050.

Almost surely, 2^40012224194 is an apocalyptic number.

40012224194 is a deficient number, since it is larger than the sum of its proper divisors (20006112100).

40012224194 is a wasteful number, since it uses less digits than its factorization.

40012224194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006112099.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 40012224194 its reverse (49142221004), we get a palindrome (89154445198).

The spelling of 40012224194 in words is "forty billion, twelve million, two hundred twenty-four thousand, one hundred ninety-four".