40113461 has 2 divisors, whose sum is σ = 40113462. Its totient is φ = 40113460.

The previous prime is 40113413. The next prime is 40113487. The reversal of 40113461 is 16431104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 14205361 = 5090^2 + 3769^2 .

It is a cyclic number.

It is not a de Polignac number, because 40113461 - 2¹⁴ = 40097077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40113961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056730 + 20056731.

It is an arithmetic number, because the mean of its divisors is an integer number (20056731).

Almost surely, 2^40113461 is an apocalyptic number.

It is an amenable number.

40113461 is a deficient number, since it is larger than the sum of its proper divisors (1).

40113461 is an equidigital number, since it uses as much as digits as its factorization.

40113461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40113461 is about 6333.5188481602. The cubic root of 40113461 is about 342.3182433788.

Adding to 40113461 its reverse (16431104), we get a palindrome (56544565).

The spelling of 40113461 in words is "forty million, one hundred thirteen thousand, four hundred sixty-one".