400124044 has 6 divisors (see below), whose sum is σ = 700217084. Its totient is φ = 200062020.

The previous prime is 400124033. The next prime is 400124069. The reversal of 400124044 is 440421004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50015502 + ... + 50015509.

Almost surely, 2^400124044 is an apocalyptic number.

It is an amenable number.

400124044 is a deficient number, since it is larger than the sum of its proper divisors (300093040).

400124044 is a wasteful number, since it uses less digits than its factorization.

400124044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100031015 (or 100031013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 400124044 is about 20003.1008596167. The cubic root of 400124044 is about 736.8824555236.

Adding to 400124044 its reverse (440421004), we get a palindrome (840545048).

The spelling of 400124044 in words is "four hundred million, one hundred twenty-four thousand, forty-four".