40446361 has 2 divisors, whose sum is σ = 40446362. Its totient is φ = 40446360.

The previous prime is 40446337. The next prime is 40446409. The reversal of 40446361 is 16364404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21576025 + 18870336 = 4645^2 + 4344^2 .

It is a cyclic number.

It is not a de Polignac number, because 40446361 - 2⁹ = 40445849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40441361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20223180 + 20223181.

It is an arithmetic number, because the mean of its divisors is an integer number (20223181).

Almost surely, 2^40446361 is an apocalyptic number.

It is an amenable number.

40446361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40446361 is an equidigital number, since it uses as much as digits as its factorization.

40446361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40446361 is about 6359.7453565375. The cubic root of 40446361 is about 343.2625975703.

The spelling of 40446361 in words is "forty million, four hundred forty-six thousand, three hundred sixty-one".