401322024 has 24 divisors (see below), whose sum is σ = 1086914010. Its totient is φ = 133773984.

The previous prime is 401322013. The next prime is 401322067. The reversal of 401322024 is 420223104.

It can be written as a sum of positive squares in only one way, i.e., 252237924 + 149084100 = 15882^2 + 12210^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×401322024² = 322118733894913152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 401321988 and 401322006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2786887 + ... + 2787030.

Almost surely, 2^401322024 is an apocalyptic number.

It is an amenable number.

401322024 is an abundant number, since it is smaller than the sum of its proper divisors (685591986).

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

401322024 is a wasteful number, since it uses less digits than its factorization.

401322024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573929 (or 5573922 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401322024 is about 20033.0233364812. The cubic root of 401322024 is about 737.6171367710.

Adding to 401322024 its reverse (420223104), we get a palindrome (821545128).

The spelling of 401322024 in words is "four hundred one million, three hundred twenty-two thousand, twenty-four".