40950189361 has 2 divisors, whose sum is σ = 40950189362. Its totient is φ = 40950189360.

The previous prime is 40950189349. The next prime is 40950189389. The reversal of 40950189361 is 16398105904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22196530225 + 18753659136 = 148985^2 + 136944^2 .

It is a cyclic number.

It is not a de Polignac number, because 40950189361 - 2⁹ = 40950188849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40950189311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20475094680 + 20475094681.

It is an arithmetic number, because the mean of its divisors is an integer number (20475094681).

Almost surely, 2^40950189361 is an apocalyptic number.

It is an amenable number.

40950189361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40950189361 is an equidigital number, since it uses as much as digits as its factorization.

40950189361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 40950189361 in words is "forty billion, nine hundred fifty million, one hundred eighty-nine thousand, three hundred sixty-one".