40800480421 has 2 divisors, whose sum is σ = 40800480422. Its totient is φ = 40800480420.

The previous prime is 40800480389. The next prime is 40800480431. The reversal of 40800480421 is 12408400804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40630464900 + 170015521 = 201570^2 + 13039^2 .

It is a cyclic number.

It is not a de Polignac number, because 40800480421 - 2⁵ = 40800480389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40800480431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20400240210 + 20400240211.

It is an arithmetic number, because the mean of its divisors is an integer number (20400240211).

Almost surely, 2^40800480421 is an apocalyptic number.

It is an amenable number.

40800480421 is a deficient number, since it is larger than the sum of its proper divisors (1).

40800480421 is an equidigital number, since it uses as much as digits as its factorization.

40800480421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 31.

The spelling of 40800480421 in words is "forty billion, eight hundred million, four hundred eighty thousand, four hundred twenty-one".