40114021 has 2 divisors, whose sum is σ = 40114022. Its totient is φ = 40114020.

The previous prime is 40114013. The next prime is 40114037. The reversal of 40114021 is 12041104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 562500 = 6289^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 40114021 - 2³ = 40114013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40113992 and 40114010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40114051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20057010 + 20057011.

It is an arithmetic number, because the mean of its divisors is an integer number (20057011).

Almost surely, 2^40114021 is an apocalyptic number.

It is an amenable number.

40114021 is a deficient number, since it is larger than the sum of its proper divisors (1).

40114021 is an equidigital number, since it uses as much as digits as its factorization.

40114021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40114021 is about 6333.5630572372. The cubic root of 40114021 is about 342.3198363380.

Adding to 40114021 its reverse (12041104), we get a palindrome (52155125).

The spelling of 40114021 in words is "forty million, one hundred fourteen thousand, twenty-one".