40245792049 has 2 divisors, whose sum is σ = 40245792050. Its totient is φ = 40245792048.

The previous prime is 40245792047. The next prime is 40245792109. The reversal of 40245792049 is 94029754204.

40245792049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37735782049 + 2510010000 = 194257^2 + 50100^2 .

It is a cyclic number.

It is not a de Polignac number, because 40245792049 - 2¹ = 40245792047 is a prime.

Together with 40245792047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40245792047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122896024 + 20122896025.

It is an arithmetic number, because the mean of its divisors is an integer number (20122896025).

Almost surely, 2^40245792049 is an apocalyptic number.

It is an amenable number.

40245792049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40245792049 is an equidigital number, since it uses as much as digits as its factorization.

40245792049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 40245792049 in words is "forty billion, two hundred forty-five million, seven hundred ninety-two thousand, forty-nine".