655499752000 has 56 divisors (see below), whose sum is σ = 1623345155640. Its totient is φ = 262199897600.

The previous prime is 655499751979. The next prime is 655499752027. The reversal of 655499752000 is 257994556.

It can be written as a sum of positive squares in 4 ways, for example, as 16472182336 + 639027569664 = 128344^2 + 799392^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40960735 + ... + 40976734.

Almost surely, 2^655499752000 is an apocalyptic number.

It is an amenable number.

655499752000 is an abundant number, since it is smaller than the sum of its proper divisors (967845403640).

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

655499752000 is an equidigital number, since it uses as much as digits as its factorization.

655499752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81937496 (or 81937476 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 655499752000 in words is "six hundred fifty-five billion, four hundred ninety-nine million, seven hundred fifty-two thousand".