40625627633 has 2 divisors, whose sum is σ = 40625627634. Its totient is φ = 40625627632.

The previous prime is 40625627597. The next prime is 40625627639. The reversal of 40625627633 is 33672652604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40253600689 + 372026944 = 200633^2 + 19288^2 .

It is a cyclic number.

It is not a de Polignac number, because 40625627633 - 2⁶ = 40625627569 is a prime.

It is not a weakly prime, because it can be changed into another prime (40625627639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312813816 + 20312813817.

It is an arithmetic number, because the mean of its divisors is an integer number (20312813817).

Almost surely, 2^40625627633 is an apocalyptic number.

It is an amenable number.

40625627633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40625627633 is an equidigital number, since it uses as much as digits as its factorization.

40625627633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 40625627633 in words is "forty billion, six hundred twenty-five million, six hundred twenty-seven thousand, six hundred thirty-three".