654404044 has 12 divisors (see below), whose sum is σ = 1308808144. Its totient is φ = 280458864.

The previous prime is 654404041. The next prime is 654404071. The reversal of 654404044 is 440404456.

654404044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 654403997 and 654404015.

It is not an unprimeable number, because it can be changed into a prime (654404041) 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 3 ways as a sum of consecutive naturals, for example, 11685759 + ... + 11685814.

Almost surely, 2^654404044 is an apocalyptic number.

It is an amenable number.

654404044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

654404044 is a wasteful number, since it uses less digits than its factorization.

654404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23371584 (or 23371582 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 654404044 is about 25581.3221706776. The cubic root of 654404044 is about 868.1910906768.

The spelling of 654404044 in words is "six hundred fifty-four million, four hundred four thousand, forty-four".