40250863553 has 2 divisors, whose sum is σ = 40250863554. Its totient is φ = 40250863552.

The previous prime is 40250863517. The next prime is 40250863559. The reversal of 40250863553 is 35536805204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39949216129 + 301647424 = 199873^2 + 17368^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250863553 - 2²⁰ = 40249814977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40250863553.

It is not a weakly prime, because it can be changed into another prime (40250863559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125431776 + 20125431777.

It is an arithmetic number, because the mean of its divisors is an integer number (20125431777).

Almost surely, 2^40250863553 is an apocalyptic number.

It is an amenable number.

40250863553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250863553 is an equidigital number, since it uses as much as digits as its factorization.

40250863553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 40250863553 in words is "forty billion, two hundred fifty million, eight hundred sixty-three thousand, five hundred fifty-three".