400342110422 has 8 divisors (see below), whose sum is σ = 626622433776. Its totient is φ = 191467965832.

The previous prime is 400342110407. The next prime is 400342110439. The reversal of 400342110422 is 224011243004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351544633 + ... + 4351544724.

It is an arithmetic number, because the mean of its divisors is an integer number (78327804222).

Almost surely, 2^400342110422 is an apocalyptic number.

400342110422 is a deficient number, since it is larger than the sum of its proper divisors (226280323354).

400342110422 is a wasteful number, since it uses less digits than its factorization.

400342110422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703089382.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 400342110422 its reverse (224011243004), we get a palindrome (624353353426).

The spelling of 400342110422 in words is "four hundred billion, three hundred forty-two million, one hundred ten thousand, four hundred twenty-two".