40324304437 has 2 divisors, whose sum is σ = 40324304438. Its totient is φ = 40324304436.

The previous prime is 40324304411. The next prime is 40324304441. The reversal of 40324304437 is 73440342304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39127213636 + 1197090801 = 197806^2 + 34599^2 .

It is a cyclic number.

It is not a de Polignac number, because 40324304437 - 2³¹ = 38176820789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40324304477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162152218 + 20162152219.

It is an arithmetic number, because the mean of its divisors is an integer number (20162152219).

Almost surely, 2^40324304437 is an apocalyptic number.

It is an amenable number.

40324304437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40324304437 is an equidigital number, since it uses as much as digits as its factorization.

40324304437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 34.

The spelling of 40324304437 in words is "forty billion, three hundred twenty-four million, three hundred four thousand, four hundred thirty-seven".