40188670402373 has 2 divisors, whose sum is σ = 40188670402374. Its totient is φ = 40188670402372.

The previous prime is 40188670402351. The next prime is 40188670402379. The reversal of 40188670402373 is 37320407688104.

40188670402373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31504668861604 + 8684001540769 = 5612902^2 + 2946863^2 .

It is a cyclic number.

It is not a de Polignac number, because 40188670402373 - 2²⁴ = 40188653625157 is a prime.

It is a super-2 number, since 2×40188670402373² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40188670402379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20094335201186 + 20094335201187.

It is an arithmetic number, because the mean of its divisors is an integer number (20094335201187).

Almost surely, 2^{40188670402373} is an apocalyptic number.

It is an amenable number.

40188670402373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40188670402373 is an equidigital number, since it uses as much as digits as its factorization.

40188670402373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 40188670402373 in words is "forty trillion, one hundred eighty-eight billion, six hundred seventy million, four hundred two thousand, three hundred seventy-three".