40214304121 has 2 divisors, whose sum is σ = 40214304122. Its totient is φ = 40214304120.

The previous prime is 40214304113. The next prime is 40214304131. The reversal of 40214304121 is 12140341204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32441413225 + 7772890896 = 180115^2 + 88164^2 .

It is a cyclic number.

It is not a de Polignac number, because 40214304121 - 2³ = 40214304113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40214304092 and 40214304101.

It is not a weakly prime, because it can be changed into another prime (40214304131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107152060 + 20107152061.

It is an arithmetic number, because the mean of its divisors is an integer number (20107152061).

Almost surely, 2^40214304121 is an apocalyptic number.

It is an amenable number.

40214304121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40214304121 is an equidigital number, since it uses as much as digits as its factorization.

40214304121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40214304121 its reverse (12140341204), we get a palindrome (52354645325).

The spelling of 40214304121 in words is "forty billion, two hundred fourteen million, three hundred four thousand, one hundred twenty-one".