401244844 has 96 divisors (see below), whose sum is σ = 984001536. Its totient is φ = 137998080.

The previous prime is 401244839. The next prime is 401244859. The reversal of 401244844 is 448442104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89914 + ... + 94270.

It is an arithmetic number, because the mean of its divisors is an integer number (10250016).

Almost surely, 2^401244844 is an apocalyptic number.

401244844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401244844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492000768).

401244844 is an abundant number, since it is smaller than the sum of its proper divisors (582756692).

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

401244844 is a wasteful number, since it uses less digits than its factorization.

401244844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

The square root of 401244844 is about 20031.0969245321. The cubic root of 401244844 is about 737.5698489431.

Adding to 401244844 its reverse (448442104), we get a palindrome (849686948).

The spelling of 401244844 in words is "four hundred one million, two hundred forty-four thousand, eight hundred forty-four".