40553424137 has 2 divisors, whose sum is σ = 40553424138. Its totient is φ = 40553424136.

The previous prime is 40553424097. The next prime is 40553424181. The reversal of 40553424137 is 73142435504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35487401161 + 5066022976 = 188381^2 + 71176^2 .

It is a cyclic number.

It is not a de Polignac number, because 40553424137 - 2¹² = 40553420041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40553424137.

It is not a weakly prime, because it can be changed into another prime (40553424337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276712068 + 20276712069.

It is an arithmetic number, because the mean of its divisors is an integer number (20276712069).

Almost surely, 2^40553424137 is an apocalyptic number.

It is an amenable number.

40553424137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553424137 is an equidigital number, since it uses as much as digits as its factorization.

40553424137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 40553424137 in words is "forty billion, five hundred fifty-three million, four hundred twenty-four thousand, one hundred thirty-seven".