40320396937 has 2 divisors, whose sum is σ = 40320396938. Its totient is φ = 40320396936.

The previous prime is 40320396931. The next prime is 40320396943. The reversal of 40320396937 is 73969302304.

It is a balanced prime because it is at equal distance from previous prime (40320396931) and next prime (40320396943).

It can be written as a sum of positive squares in only one way, i.e., 36980828416 + 3339568521 = 192304^2 + 57789^2 .

It is a cyclic number.

It is not a de Polignac number, because 40320396937 - 2³ = 40320396929 is a prime.

It is not a weakly prime, because it can be changed into another prime (40320396931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160198468 + 20160198469.

It is an arithmetic number, because the mean of its divisors is an integer number (20160198469).

Almost surely, 2^40320396937 is an apocalyptic number.

It is an amenable number.

40320396937 is a deficient number, since it is larger than the sum of its proper divisors (1).

40320396937 is an equidigital number, since it uses as much as digits as its factorization.

40320396937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 40320396937 in words is "forty billion, three hundred twenty million, three hundred ninety-six thousand, nine hundred thirty-seven".