400120034159 has 2 divisors, whose sum is σ = 400120034160. Its totient is φ = 400120034158.

The previous prime is 400120034107. The next prime is 400120034227. The reversal of 400120034159 is 951430021004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400120034159 - 2²⁰ = 400118985583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400120030159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200060017079 + 200060017080.

It is an arithmetic number, because the mean of its divisors is an integer number (200060017080).

Almost surely, 2^400120034159 is an apocalyptic number.

400120034159 is a deficient number, since it is larger than the sum of its proper divisors (1).

400120034159 is an equidigital number, since it uses as much as digits as its factorization.

400120034159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 400120034159 in words is "four hundred billion, one hundred twenty million, thirty-four thousand, one hundred fifty-nine".