654863480 has 64 divisors (see below), whose sum is σ = 1514570400. Its totient is φ = 254679040.

The previous prime is 654863453. The next prime is 654863491. The reversal of 654863480 is 84368456.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 686684 + ... + 687636.

Almost surely, 2^654863480 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 654863480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757285200).

654863480 is an abundant number, since it is smaller than the sum of its proper divisors (859706920).

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

654863480 is a wasteful number, since it uses less digits than its factorization.

654863480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 654863480 is about 25590.3005062465. The cubic root of 654863480 is about 868.3942194805.

The spelling of 654863480 in words is "six hundred fifty-four million, eight hundred sixty-three thousand, four hundred eighty".