404542048 has 24 divisors (see below), whose sum is σ = 796922280. Its totient is φ = 202149120.

The previous prime is 404542031. The next prime is 404542049. The reversal of 404542048 is 840245404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404542049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75523 + ... + 80701.

It is an arithmetic number, because the mean of its divisors is an integer number (33205095).

Almost surely, 2^404542048 is an apocalyptic number.

It is an amenable number.

404542048 is a deficient number, since it is larger than the sum of its proper divisors (392380232).

404542048 is a wasteful number, since it uses less digits than its factorization.

404542048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630 (or 7622 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 404542048 is about 20113.2306703821. The cubic root of 404542048 is about 739.5846512596.

The spelling of 404542048 in words is "four hundred four million, five hundred forty-two thousand, forty-eight".