40036111457 has 2 divisors, whose sum is σ = 40036111458. Its totient is φ = 40036111456.

The previous prime is 40036111411. The next prime is 40036111469. The reversal of 40036111457 is 75411163004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39840559201 + 195552256 = 199601^2 + 13984^2 .

It is a cyclic number.

It is not a de Polignac number, because 40036111457 - 2¹² = 40036107361 is a prime.

It is not a weakly prime, because it can be changed into another prime (40036111657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018055728 + 20018055729.

It is an arithmetic number, because the mean of its divisors is an integer number (20018055729).

Almost surely, 2^40036111457 is an apocalyptic number.

It is an amenable number.

40036111457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036111457 is an equidigital number, since it uses as much as digits as its factorization.

40036111457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 40036111457 in words is "forty billion, thirty-six million, one hundred eleven thousand, four hundred fifty-seven".