40302037 has 2 divisors, whose sum is σ = 40302038. Its totient is φ = 40302036.

The previous prime is 40302023. The next prime is 40302043. The reversal of 40302037 is 73020304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 938961 = 6274^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 40302037 - 2¹¹ = 40299989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40302047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151018 + 20151019.

It is an arithmetic number, because the mean of its divisors is an integer number (20151019).

Almost surely, 2^40302037 is an apocalyptic number.

It is an amenable number.

40302037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40302037 is an equidigital number, since it uses as much as digits as its factorization.

40302037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 40302037 is about 6348.3885356837. The cubic root of 40302037 is about 342.8538251250.

The spelling of 40302037 in words is "forty million, three hundred two thousand, thirty-seven".