400400073404 has 12 divisors (see below), whose sum is σ = 700705441800. Its totient is φ = 200198518608.

The previous prime is 400400073379. The next prime is 400400073487. The reversal of 400400073404 is 404370004004.

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, 385067 + ... + 974205.

It is an arithmetic number, because the mean of its divisors is an integer number (58392120150).

Almost surely, 2^400400073404 is an apocalyptic number.

It is an amenable number.

400400073404 is a deficient number, since it is larger than the sum of its proper divisors (300305368396).

400400073404 is a wasteful number, since it uses less digits than its factorization.

400400073404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759052 (or 759050 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 400400073404 its reverse (404370004004), we get a palindrome (804770077408).

The spelling of 400400073404 in words is "four hundred billion, four hundred million, seventy-three thousand, four hundred four".