401123221332 has 24 divisors (see below), whose sum is σ = 936175515072. Its totient is φ = 133676121600.

The previous prime is 401123221271. The next prime is 401123221391. The reversal of 401123221332 is 233122321104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899469 + ... + 4001012.

It is an arithmetic number, because the mean of its divisors is an integer number (39007313128).

Almost surely, 2^401123221332 is an apocalyptic number.

It is an amenable number.

401123221332 is an abundant number, since it is smaller than the sum of its proper divisors (535052293740).

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

401123221332 is a wasteful number, since it uses less digits than its factorization.

401123221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904719 (or 7904717 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 401123221332 its reverse (233122321104), we get a palindrome (634245542436).

The spelling of 401123221332 in words is "four hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred thirty-two".