400222240404 has 48 divisors (see below), whose sum is σ = 1067290955136. Its totient is φ = 114345820800.

The previous prime is 400222240391. The next prime is 400222240421. The reversal of 400222240404 is 404042222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4629334 + ... + 4714994.

It is an arithmetic number, because the mean of its divisors is an integer number (22235228232).

Almost surely, 2^400222240404 is an apocalyptic number.

It is an amenable number.

400222240404 is an abundant number, since it is smaller than the sum of its proper divisors (667068714732).

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

400222240404 is a wasteful number, since it uses less digits than its factorization.

400222240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141296 (or 141294 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 400222240404 its reverse (404042222004), we get a palindrome (804264462408).

The spelling of 400222240404 in words is "four hundred billion, two hundred twenty-two million, two hundred forty thousand, four hundred four".