40244531633 has 2 divisors, whose sum is σ = 40244531634. Its totient is φ = 40244531632.

The previous prime is 40244531611. The next prime is 40244531641. The reversal of 40244531633 is 33613544204.

40244531633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24483486784 + 15761044849 = 156472^2 + 125543^2 .

It is a cyclic number.

It is not a de Polignac number, because 40244531633 - 2¹⁰ = 40244530609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40244531593 and 40244531602.

It is not a weakly prime, because it can be changed into another prime (40244531533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122265816 + 20122265817.

It is an arithmetic number, because the mean of its divisors is an integer number (20122265817).

Almost surely, 2^40244531633 is an apocalyptic number.

It is an amenable number.

40244531633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244531633 is an equidigital number, since it uses as much as digits as its factorization.

40244531633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 40244531633 in words is "forty billion, two hundred forty-four million, five hundred thirty-one thousand, six hundred thirty-three".