400422401031319 has 2 divisors, whose sum is σ = 400422401031320. Its totient is φ = 400422401031318.

The previous prime is 400422401031307. The next prime is 400422401031347. The reversal of 400422401031319 is 913130104224004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400422401031319 - 2²¹ = 400422398934167 is a prime.

It is a super-2 number, since 2×400422401031319² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400422401031119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200211200515659 + 200211200515660.

It is an arithmetic number, because the mean of its divisors is an integer number (200211200515660).

Almost surely, 2^{400422401031319} is an apocalyptic number.

400422401031319 is a deficient number, since it is larger than the sum of its proper divisors (1).

400422401031319 is an equidigital number, since it uses as much as digits as its factorization.

400422401031319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 400422401031319 in words is "four hundred trillion, four hundred twenty-two billion, four hundred one million, thirty-one thousand, three hundred nineteen".