40804281901 has 2 divisors, whose sum is σ = 40804281902. Its totient is φ = 40804281900.

The previous prime is 40804281787. The next prime is 40804281923. The reversal of 40804281901 is 10918240804.

40804281901 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., 28190745801 + 12613536100 = 167901^2 + 112310^2 .

It is a cyclic number.

It is not a de Polignac number, because 40804281901 - 2²¹ = 40802184749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40804281971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20402140950 + 20402140951.

It is an arithmetic number, because the mean of its divisors is an integer number (20402140951).

Almost surely, 2^40804281901 is an apocalyptic number.

It is an amenable number.

40804281901 is a deficient number, since it is larger than the sum of its proper divisors (1).

40804281901 is an equidigital number, since it uses as much as digits as its factorization.

40804281901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 40804281901 in words is "forty billion, eight hundred four million, two hundred eighty-one thousand, nine hundred one".