40403133437 has 2 divisors, whose sum is σ = 40403133438. Its totient is φ = 40403133436.

The previous prime is 40403133403. The next prime is 40403133457. The reversal of 40403133437 is 73433130404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37599536836 + 2803596601 = 193906^2 + 52949^2 .

It is a cyclic number.

It is not a de Polignac number, because 40403133437 - 2¹⁸ = 40402871293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40403133457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201566718 + 20201566719.

It is an arithmetic number, because the mean of its divisors is an integer number (20201566719).

Almost surely, 2^40403133437 is an apocalyptic number.

It is an amenable number.

40403133437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403133437 is an equidigital number, since it uses as much as digits as its factorization.

40403133437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 40403133437 in words is "forty billion, four hundred three million, one hundred thirty-three thousand, four hundred thirty-seven".