40421332104347 has 2 divisors, whose sum is σ = 40421332104348. Its totient is φ = 40421332104346.

The previous prime is 40421332104301. The next prime is 40421332104421. The reversal of 40421332104347 is 74340123312404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40421332104347 - 2²⁰ = 40421331055771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40421332104347.

It is not a weakly prime, because it can be changed into another prime (40421332154347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20210666052173 + 20210666052174.

It is an arithmetic number, because the mean of its divisors is an integer number (20210666052174).

Almost surely, 2^{40421332104347} is an apocalyptic number.

40421332104347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40421332104347 is an equidigital number, since it uses as much as digits as its factorization.

40421332104347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 40421332104347 in words is "forty trillion, four hundred twenty-one billion, three hundred thirty-two million, one hundred four thousand, three hundred forty-seven".