654404442 has 8 divisors (see below), whose sum is σ = 1308808896. Its totient is φ = 218134812.

The previous prime is 654404431. The next prime is 654404501. The reversal of 654404442 is 244404456.

It is a sphenic number, since it is the product of 3 distinct primes.

654404442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54533698 + ... + 54533709.

It is an arithmetic number, because the mean of its divisors is an integer number (163601112).

Almost surely, 2^654404442 is an apocalyptic number.

654404442 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.

654404442 is a wasteful number, since it uses less digits than its factorization.

654404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109067412.

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 654404442 is about 25581.3299497896. The cubic root of 654404442 is about 868.1912666843.

Adding to 654404442 its reverse (244404456), we get a palindrome (898808898).

The spelling of 654404442 in words is "six hundred fifty-four million, four hundred four thousand, four hundred forty-two".