40437037 has 2 divisors, whose sum is σ = 40437038. Its totient is φ = 40437036.

The previous prime is 40437017. The next prime is 40437043. The reversal of 40437037 is 73073404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20241001 + 20196036 = 4499^2 + 4494^2 .

It is a cyclic number.

It is not a de Polignac number, because 40437037 - 2⁷ = 40436909 is a prime.

It is a super-2 number, since 2×40437037² = 3270307922678738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40436996 and 40437014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40437017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20218518 + 20218519.

It is an arithmetic number, because the mean of its divisors is an integer number (20218519).

Almost surely, 2^40437037 is an apocalyptic number.

It is an amenable number.

40437037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40437037 is an equidigital number, since it uses as much as digits as its factorization.

40437037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 40437037 is about 6359.0122660677. The cubic root of 40437037 is about 343.2362183827.

The spelling of 40437037 in words is "forty million, four hundred thirty-seven thousand, thirty-seven".