654975640000 has 140 divisors (see below), whose sum is σ = 1771775794008. Its totient is φ = 238172800000.

The previous prime is 654975639971. The next prime is 654975640001. The reversal of 654975640000 is 46579456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654975640001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 304291 + ... + 1184290.

Almost surely, 2^654975640000 is an apocalyptic number.

It is an amenable number.

654975640000 is an abundant number, since it is smaller than the sum of its proper divisors (1116800154008).

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

654975640000 is a wasteful number, since it uses less digits than its factorization.

654975640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488624 (or 1488599 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 654975640000 in words is "six hundred fifty-four billion, nine hundred seventy-five million, six hundred forty thousand".