400341444 has 24 divisors (see below), whose sum is σ = 938975520. Its totient is φ = 132754944.

The previous prime is 400341367. The next prime is 400341467. The reversal of 400341444 is 444143004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84114 + ... + 88745.

It is an arithmetic number, because the mean of its divisors is an integer number (39123980).

Almost surely, 2^400341444 is an apocalyptic number.

It is an amenable number.

400341444 is an abundant number, since it is smaller than the sum of its proper divisors (538634076).

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

400341444 is a wasteful number, since it uses less digits than its factorization.

400341444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173059 (or 173057 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 400341444 is about 20008.5342791520. The cubic root of 400341444 is about 737.0158885122.

Adding to 400341444 its reverse (444143004), we get a palindrome (844484448).

The spelling of 400341444 in words is "four hundred million, three hundred forty-one thousand, four hundred forty-four".