40124401 has 2 divisors, whose sum is σ = 40124402. Its totient is φ = 40124400.

The previous prime is 40124389. The next prime is 40124411. The reversal of 40124401 is 10442104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38626225 + 1498176 = 6215^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 40124401 - 2¹¹ = 40122353 is a prime.

It is not a weakly prime, because it can be changed into another prime (40124411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062200 + 20062201.

It is an arithmetic number, because the mean of its divisors is an integer number (20062201).

Almost surely, 2^40124401 is an apocalyptic number.

It is an amenable number.

40124401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40124401 is an equidigital number, since it uses as much as digits as its factorization.

40124401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40124401 is about 6334.3824481949. The cubic root of 40124401 is about 342.3493602914.

Adding to 40124401 its reverse (10442104), we get a palindrome (50566505).

The spelling of 40124401 in words is "forty million, one hundred twenty-four thousand, four hundred one".