400235200422 has 8 divisors (see below), whose sum is σ = 800470400856. Its totient is φ = 133411733472.

The previous prime is 400235200397. The next prime is 400235200447. The reversal of 400235200422 is 224002532004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400235200397) and next prime (400235200447).

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

400235200422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 400235200392 and 400235200401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33352933363 + ... + 33352933374.

It is an arithmetic number, because the mean of its divisors is an integer number (100058800107).

Almost surely, 2^400235200422 is an apocalyptic number.

400235200422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400235200422 is a wasteful number, since it uses less digits than its factorization.

400235200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66705866742.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 400235200422 its reverse (224002532004), we get a palindrome (624237732426).

The spelling of 400235200422 in words is "four hundred billion, two hundred thirty-five million, two hundred thousand, four hundred twenty-two".