401103312 has 80 divisors (see below), whose sum is σ = 1065163968. Its totient is φ = 129991680.

The previous prime is 401103293. The next prime is 401103343. The reversal of 401103312 is 213301104.

It is a junction number, because it is equal to n+sod(n) for n = 401103291 and 401103300.

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, 769612 + ... + 770132.

Almost surely, 2^401103312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532581984).

401103312 is an abundant number, since it is smaller than the sum of its proper divisors (664060656).

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

401103312 is a wasteful number, since it uses less digits than its factorization.

401103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 401103312 is about 20027.5638059151. The cubic root of 401103312 is about 737.4831171851.

Adding to 401103312 its reverse (213301104), we get a palindrome (614404416).

The spelling of 401103312 in words is "four hundred one million, one hundred three thousand, three hundred twelve".