40244152141 has 2 divisors, whose sum is σ = 40244152142. Its totient is φ = 40244152140.

The previous prime is 40244152133. The next prime is 40244152153. The reversal of 40244152141 is 14125144204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32153869225 + 8090282916 = 179315^2 + 89946^2 .

It is a cyclic number.

It is not a de Polignac number, because 40244152141 - 2³ = 40244152133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40244152121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122076070 + 20122076071.

It is an arithmetic number, because the mean of its divisors is an integer number (20122076071).

Almost surely, 2^40244152141 is an apocalyptic number.

It is an amenable number.

40244152141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244152141 is an equidigital number, since it uses as much as digits as its factorization.

40244152141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 40244152141 its reverse (14125144204), we get a palindrome (54369296345).

The spelling of 40244152141 in words is "forty billion, two hundred forty-four million, one hundred fifty-two thousand, one hundred forty-one".