654772480 has 36 divisors (see below), whose sum is σ = 1568387772. Its totient is φ = 261908480.

The previous prime is 654772477. The next prime is 654772507. The reversal of 654772480 is 84277456.

It can be written as a sum of positive squares in 2 ways, for example, as 78004224 + 576768256 = 8832^2 + 24016^2 .

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, 254491 + ... + 257050.

It is an arithmetic number, because the mean of its divisors is an integer number (43566327).

Almost surely, 2^654772480 is an apocalyptic number.

It is an amenable number.

654772480 is an abundant number, since it is smaller than the sum of its proper divisors (913615292).

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

654772480 is an equidigital number, since it uses as much as digits as its factorization.

654772480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511562 (or 511548 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 654772480 is about 25588.5224270570. The cubic root of 654772480 is about 868.3539935215.

The spelling of 654772480 in words is "six hundred fifty-four million, seven hundred seventy-two thousand, four hundred eighty".