400331104 has 24 divisors (see below), whose sum is σ = 789067440. Its totient is φ = 199933056.

The previous prime is 400331081. The next prime is 400331111. The reversal of 400331104 is 401133004.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22602 + ... + 36214.

It is an arithmetic number, because the mean of its divisors is an integer number (32877810).

Almost surely, 2^400331104 is an apocalyptic number.

It is an amenable number.

400331104 is a deficient number, since it is larger than the sum of its proper divisors (388736336).

400331104 is a wasteful number, since it uses less digits than its factorization.

400331104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542 (or 14534 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 400331104 is about 20008.2758877421. The cubic root of 400331104 is about 737.0095432537.

Adding to 400331104 its reverse (401133004), we get a palindrome (801464108).

The spelling of 400331104 in words is "four hundred million, three hundred thirty-one thousand, one hundred four".