40000030000037 has 2 divisors, whose sum is σ = 40000030000038. Its totient is φ = 40000030000036.

The previous prime is 40000029999991. The next prime is 40000030000081. The reversal of 40000030000037 is 73000003000004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37483463395876 + 2516566604161 = 6122374^2 + 1586369^2 .

It is a cyclic number.

It is not a de Polignac number, because 40000030000037 - 2⁸ = 40000029999781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40000030000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000015000018 + 20000015000019.

It is an arithmetic number, because the mean of its divisors is an integer number (20000015000019).

Almost surely, 2^{40000030000037} is an apocalyptic number.

It is an amenable number.

40000030000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40000030000037 is an equidigital number, since it uses as much as digits as its factorization.

40000030000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 17.

The spelling of 40000030000037 in words is "forty trillion, thirty million, thirty-seven", and thus it is an aban number and an uban number.