400223504352255 has 16 divisors (see below), whose sum is σ = 650855272653024. Its totient is φ = 209953313758080.

The previous prime is 400223504352193. The next prime is 400223504352307. The reversal of 400223504352255 is 552253405322004.

It is not a de Polignac number, because 400223504352255 - 2¹¹ = 400223504350207 is a prime.

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, 218701367584 + ... + 218701369413.

It is an arithmetic number, because the mean of its divisors is an integer number (40678454540814).

Almost surely, 2^{400223504352255} is an apocalyptic number.

400223504352255 is a deficient number, since it is larger than the sum of its proper divisors (250631768300769).

400223504352255 is a wasteful number, since it uses less digits than its factorization.

400223504352255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437402737066.

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 400223504352255 its reverse (552253405322004), we get a palindrome (952476909674259).

The spelling of 400223504352255 in words is "four hundred trillion, two hundred twenty-three billion, five hundred four million, three hundred fifty-two thousand, two hundred fifty-five".