650146464 has 72 divisors (see below), whose sum is σ = 2016941472. Its totient is φ = 197013120.

The previous prime is 650146463. The next prime is 650146481. The reversal of 650146464 is 464641056.

650146464 is a `hidden beast` number, since 6 + 5 + 0 + 1 + 4 + 646 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (650146463) 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 11 ways as a sum of consecutive naturals, for example, 99444 + ... + 105779.

It is an arithmetic number, because the mean of its divisors is an integer number (28013076).

Almost surely, 2^650146464 is an apocalyptic number.

It is an amenable number.

650146464 is an abundant number, since it is smaller than the sum of its proper divisors (1366795008).

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

650146464 is a wasteful number, since it uses less digits than its factorization.

650146464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205250 (or 205239 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 650146464 is about 25497.9698015352. The cubic root of 650146464 is about 866.3041634517.

The spelling of 650146464 in words is "six hundred fifty million, one hundred forty-six thousand, four hundred sixty-four".