654445456 has 40 divisors (see below), whose sum is σ = 1456763904. Its totient is φ = 278999040.

The previous prime is 654445439. The next prime is 654445469. The reversal of 654445456 is 654544456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096 + ... + 36688.

Almost surely, 2^654445456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654445456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728381952).

654445456 is an abundant number, since it is smaller than the sum of its proper divisors (802318448).

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

654445456 is a wasteful number, since it uses less digits than its factorization.

654445456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30799 (or 30793 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The square root of 654445456 is about 25582.1315765516. The cubic root of 654445456 is about 868.2094039148.

The spelling of 654445456 in words is "six hundred fifty-four million, four hundred forty-five thousand, four hundred fifty-six".