654564464 has 40 divisors (see below), whose sum is σ = 1351797408. Its totient is φ = 305971200.

The previous prime is 654564451. The next prime is 654564523. The reversal of 654564464 is 464465456.

It is a congruent number.

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, 33104 + ... + 49040.

Almost surely, 2^654564464 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 654564464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675898704).

654564464 is an abundant number, since it is smaller than the sum of its proper divisors (697232944).

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

654564464 is a wasteful number, since it uses less digits than its factorization.

654564464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113 (or 16107 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 44.

The square root of 654564464 is about 25584.4574693309. The cubic root of 654564464 is about 868.2620274001.

The spelling of 654564464 in words is "six hundred fifty-four million, five hundred sixty-four thousand, four hundred sixty-four".