40002241949 has 2 divisors, whose sum is σ = 40002241950. Its totient is φ = 40002241948.

The previous prime is 40002241823. The next prime is 40002241987. The reversal of 40002241949 is 94914220004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35980399225 + 4021842724 = 189685^2 + 63418^2 .

It is a cyclic number.

It is not a de Polignac number, because 40002241949 - 2²⁸ = 39733806493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40002241049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001120974 + 20001120975.

It is an arithmetic number, because the mean of its divisors is an integer number (20001120975).

Almost surely, 2^40002241949 is an apocalyptic number.

It is an amenable number.

40002241949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40002241949 is an equidigital number, since it uses as much as digits as its factorization.

40002241949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 40002241949 in words is "forty billion, two million, two hundred forty-one thousand, nine hundred forty-nine".