40044010361 has 2 divisors, whose sum is σ = 40044010362. Its totient is φ = 40044010360.

The previous prime is 40044010337. The next prime is 40044010381. The reversal of 40044010361 is 16301044004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32119449961 + 7924560400 = 179219^2 + 89020^2 .

It is a cyclic number.

It is not a de Polignac number, because 40044010361 - 2²² = 40039816057 is a prime.

It is not a weakly prime, because it can be changed into another prime (40044010381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022005180 + 20022005181.

It is an arithmetic number, because the mean of its divisors is an integer number (20022005181).

Almost surely, 2^40044010361 is an apocalyptic number.

It is an amenable number.

40044010361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044010361 is an equidigital number, since it uses as much as digits as its factorization.

40044010361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40044010361 its reverse (16301044004), we get a palindrome (56345054365).

The spelling of 40044010361 in words is "forty billion, forty-four million, ten thousand, three hundred sixty-one".