400848404 has 48 divisors (see below), whose sum is σ = 781401600. Its totient is φ = 178395360.

The previous prime is 400848397. The next prime is 400848433. The reversal of 400848404 is 404848004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668897 + ... + 669495.

It is an arithmetic number, because the mean of its divisors is an integer number (16279200).

Almost surely, 2^400848404 is an apocalyptic number.

400848404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400848404 is a deficient number, since it is larger than the sum of its proper divisors (380553196).

400848404 is a wasteful number, since it uses less digits than its factorization.

400848404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 400848404 is about 20021.1988652029. The cubic root of 400848404 is about 737.3268563760.

The spelling of 400848404 in words is "four hundred million, eight hundred forty-eight thousand, four hundred four".