654677650 has 48 divisors (see below), whose sum is σ = 1406561760. Its totient is φ = 224057600.

The previous prime is 654677641. The next prime is 654677671. The reversal of 654677650 is 56776456.

It is a self number, because there is not a number n which added to its sum of digits gives 654677650.

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 23 ways as a sum of consecutive naturals, for example, 25660 + ... + 44359.

It is an arithmetic number, because the mean of its divisors is an integer number (29303370).

Almost surely, 2^654677650 is an apocalyptic number.

654677650 is an abundant number, since it is smaller than the sum of its proper divisors (751884110).

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

654677650 is a wasteful number, since it uses less digits than its factorization.

654677650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70059 (or 70054 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 654677650 is about 25586.6693807537. The cubic root of 654677650 is about 868.3120705699.

The spelling of 654677650 in words is "six hundred fifty-four million, six hundred seventy-seven thousand, six hundred fifty".