40455361 has 2 divisors, whose sum is σ = 40455362. Its totient is φ = 40455360.

The previous prime is 40455353. The next prime is 40455407. The reversal of 40455361 is 16355404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 16248961 = 4920^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 40455361 - 2³ = 40455353 is a prime.

It is not a weakly prime, because it can be changed into another prime (40455301) 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, 20227680 + 20227681.

It is an arithmetic number, because the mean of its divisors is an integer number (20227681).

Almost surely, 2^40455361 is an apocalyptic number.

It is an amenable number.

40455361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455361 is an equidigital number, since it uses as much as digits as its factorization.

40455361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40455361 is about 6360.4528926799. The cubic root of 40455361 is about 343.2880562616.

The spelling of 40455361 in words is "forty million, four hundred fifty-five thousand, three hundred sixty-one".