40012224149 has 2 divisors, whose sum is σ = 40012224150. Its totient is φ = 40012224148.

The previous prime is 40012224139. The next prime is 40012224211. The reversal of 40012224149 is 94142221004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38437563025 + 1574661124 = 196055^2 + 39682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40012224149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40012224139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006112074 + 20006112075.

It is an arithmetic number, because the mean of its divisors is an integer number (20006112075).

Almost surely, 2^40012224149 is an apocalyptic number.

It is an amenable number.

40012224149 is a deficient number, since it is larger than the sum of its proper divisors (1).

40012224149 is an equidigital number, since it uses as much as digits as its factorization.

40012224149 is an evil number, because the sum of its binary digits is even.

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

The spelling of 40012224149 in words is "forty billion, twelve million, two hundred twenty-four thousand, one hundred forty-nine".