40184128553 has 2 divisors, whose sum is σ = 40184128554. Its totient is φ = 40184128552.

The previous prime is 40184128549. The next prime is 40184128601. The reversal of 40184128553 is 35582148104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30231472384 + 9952656169 = 173872^2 + 99763^2 .

It is a cyclic number.

It is not a de Polignac number, because 40184128553 - 2² = 40184128549 is a prime.

It is a super-2 number, since 2×40184128553² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40184128553.

It is not a weakly prime, because it can be changed into another prime (40184122553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092064276 + 20092064277.

It is an arithmetic number, because the mean of its divisors is an integer number (20092064277).

Almost surely, 2^40184128553 is an apocalyptic number.

It is an amenable number.

40184128553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40184128553 is an equidigital number, since it uses as much as digits as its factorization.

40184128553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 40184128553 in words is "forty billion, one hundred eighty-four million, one hundred twenty-eight thousand, five hundred fifty-three".