400422401031347 has 2 divisors, whose sum is σ = 400422401031348. Its totient is φ = 400422401031346.

The previous prime is 400422401031319. The next prime is 400422401031391. The reversal of 400422401031347 is 743130104224004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400422401031347 is a prime.

It is not a weakly prime, because it can be changed into another prime (400422401031307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200211200515673 + 200211200515674.

It is an arithmetic number, because the mean of its divisors is an integer number (200211200515674).

Almost surely, 2^{400422401031347} is an apocalyptic number.

400422401031347 is a deficient number, since it is larger than the sum of its proper divisors (1).

400422401031347 is an equidigital number, since it uses as much as digits as its factorization.

400422401031347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 400422401031347 in words is "four hundred trillion, four hundred twenty-two billion, four hundred one million, thirty-one thousand, three hundred forty-seven".