401333244 has 24 divisors (see below), whose sum is σ = 1008478800. Its totient is φ = 123487104.

The previous prime is 401333243. The next prime is 401333249. The reversal of 401333244 is 442333104.

It is a super-2 number, since 2×401333244² = 322136745479127072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401333243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286169 + ... + 1286480.

It is an arithmetic number, because the mean of its divisors is an integer number (42019950).

Almost surely, 2^401333244 is an apocalyptic number.

It is an amenable number.

401333244 is an abundant number, since it is smaller than the sum of its proper divisors (607145556).

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

401333244 is a wasteful number, since it uses less digits than its factorization.

401333244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572669 (or 2572667 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 401333244 is about 20033.3033721351. The cubic root of 401333244 is about 737.6240107082.

Adding to 401333244 its reverse (442333104), we get a palindrome (843666348).

The spelling of 401333244 in words is "four hundred one million, three hundred thirty-three thousand, two hundred forty-four".