400204048 has 40 divisors (see below), whose sum is σ = 835232256. Its totient is φ = 185222400.

The previous prime is 400204043. The next prime is 400204061. The reversal of 400204048 is 840402004.

It is not an unprimeable number, because it can be changed into a prime (400204043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133 + ... + 28948.

Almost surely, 2^400204048 is an apocalyptic number.

It is an amenable number.

400204048 is an abundant number, since it is smaller than the sum of its proper divisors (435028208).

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

400204048 is a wasteful number, since it uses less digits than its factorization.

400204048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35143 (or 35137 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 400204048 is about 20005.1005496098. The cubic root of 400204048 is about 736.9315649736.

The spelling of 400204048 in words is "four hundred million, two hundred four thousand, forty-eight".