40188670402351 has 2 divisors, whose sum is σ = 40188670402352. Its totient is φ = 40188670402350.

The previous prime is 40188670402339. The next prime is 40188670402373. The reversal of 40188670402351 is 15320407688104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40188670402351 - 2⁹ = 40188670401839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40188670402295 and 40188670402304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40188670402381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20094335201175 + 20094335201176.

It is an arithmetic number, because the mean of its divisors is an integer number (20094335201176).

Almost surely, 2^{40188670402351} is an apocalyptic number.

40188670402351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40188670402351 is an equidigital number, since it uses as much as digits as its factorization.

40188670402351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 40188670402351 in words is "forty trillion, one hundred eighty-eight billion, six hundred seventy million, four hundred two thousand, three hundred fifty-one".