40350213373 has 2 divisors, whose sum is σ = 40350213374. Its totient is φ = 40350213372.

The previous prime is 40350213353. The next prime is 40350213383. The reversal of 40350213373 is 37331205304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37151406009 + 3198807364 = 192747^2 + 56558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40350213373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40350213313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175106686 + 20175106687.

It is an arithmetic number, because the mean of its divisors is an integer number (20175106687).

Almost surely, 2^40350213373 is an apocalyptic number.

It is an amenable number.

40350213373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40350213373 is an equidigital number, since it uses as much as digits as its factorization.

40350213373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 31.

Adding to 40350213373 its reverse (37331205304), we get a palindrome (77681418677).

The spelling of 40350213373 in words is "forty billion, three hundred fifty million, two hundred thirteen thousand, three hundred seventy-three".