654721488 has 80 divisors (see below), whose sum is σ = 1939955200. Its totient is φ = 211196160.

The previous prime is 654721481. The next prime is 654721489. The reversal of 654721488 is 884127456.

654721488 is a `hidden beast` number, since 6 + 547 + 21 + 4 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654721481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11053 + ... + 37836.

It is an arithmetic number, because the mean of its divisors is an integer number (24249440).

Almost surely, 2^654721488 is an apocalyptic number.

It is an amenable number.

654721488 is an abundant number, since it is smaller than the sum of its proper divisors (1285233712).

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

654721488 is a wasteful number, since it uses less digits than its factorization.

654721488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48937 (or 48925 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 654721488 is about 25587.5260234357. The cubic root of 654721488 is about 868.3314512096.

The spelling of 654721488 in words is "six hundred fifty-four million, seven hundred twenty-one thousand, four hundred eighty-eight".