40433461 has 2 divisors, whose sum is σ = 40433462. Its totient is φ = 40433460.

The previous prime is 40433447. The next prime is 40433473. The reversal of 40433461 is 16433404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39614436 + 819025 = 6294^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 40433461 - 2²³ = 32044853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216730 + 20216731.

It is an arithmetic number, because the mean of its divisors is an integer number (20216731).

Almost surely, 2^40433461 is an apocalyptic number.

It is an amenable number.

40433461 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433461 is an equidigital number, since it uses as much as digits as its factorization.

40433461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40433461 is about 6358.7310841079. The cubic root of 40433461 is about 343.2261001925.

Adding to 40433461 its reverse (16433404), we get a palindrome (56866865).

The spelling of 40433461 in words is "forty million, four hundred thirty-three thousand, four hundred sixty-one".