400060404 has 48 divisors (see below), whose sum is σ = 1040079040. Its totient is φ = 132982560.

The previous prime is 400060399. The next prime is 400060421. The reversal of 400060404 is 404060004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35319 + ... + 45249.

Almost surely, 2^400060404 is an apocalyptic number.

It is an amenable number.

400060404 is an abundant number, since it is smaller than the sum of its proper divisors (640018636).

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

400060404 is a wasteful number, since it uses less digits than its factorization.

400060404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317 (or 10309 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400060404 is about 20001.5100429943. The cubic root of 400060404 is about 736.8433862344.

The spelling of 400060404 in words is "four hundred million, sixty thousand, four hundred four".