40050961 has 2 divisors, whose sum is σ = 40050962. Its totient is φ = 40050960.

The previous prime is 40050949. The next prime is 40050971. The reversal of 40050961 is 16905004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 12383361 = 5260^2 + 3519^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050961 - 2¹⁵ = 40018193 is a prime.

It is not a weakly prime, because it can be changed into another prime (40050971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025480 + 20025481.

It is an arithmetic number, because the mean of its divisors is an integer number (20025481).

Almost surely, 2^40050961 is an apocalyptic number.

It is an amenable number.

40050961 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050961 is an equidigital number, since it uses as much as digits as its factorization.

40050961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 40050961 is about 6328.5828587449. The cubic root of 40050961 is about 342.1403645075.

Adding to 40050961 its reverse (16905004), we get a palindrome (56955965).

The spelling of 40050961 in words is "forty million, fifty thousand, nine hundred sixty-one".