40840004801 has 2 divisors, whose sum is σ = 40840004802. Its totient is φ = 40840004800.

The previous prime is 40840004797. The next prime is 40840004827. The reversal of 40840004801 is 10840004804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21734130625 + 19105874176 = 147425^2 + 138224^2 .

It is a cyclic number.

It is not a de Polignac number, because 40840004801 - 2² = 40840004797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40840003801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20420002400 + 20420002401.

It is an arithmetic number, because the mean of its divisors is an integer number (20420002401).

Almost surely, 2^40840004801 is an apocalyptic number.

It is an amenable number.

40840004801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40840004801 is an equidigital number, since it uses as much as digits as its factorization.

40840004801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 40840004801 in words is "forty billion, eight hundred forty million, four thousand, eight hundred one".