40014141421 has 2 divisors, whose sum is σ = 40014141422. Its totient is φ = 40014141420.

The previous prime is 40014141403. The next prime is 40014141437. The reversal of 40014141421 is 12414141004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23505489225 + 16508652196 = 153315^2 + 128486^2 .

It is a cyclic number.

It is not a de Polignac number, because 40014141421 - 2¹⁷ = 40014010349 is a prime.

It is a super-2 number, since 2×40014141421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40014141392 and 40014141401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40014141521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007070710 + 20007070711.

It is an arithmetic number, because the mean of its divisors is an integer number (20007070711).

Almost surely, 2^40014141421 is an apocalyptic number.

It is an amenable number.

40014141421 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014141421 is an equidigital number, since it uses as much as digits as its factorization.

40014141421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 40014141421 its reverse (12414141004), we get a palindrome (52428282425).

The spelling of 40014141421 in words is "forty billion, fourteen million, one hundred forty-one thousand, four hundred twenty-one".