650782944 has 96 divisors (see below), whose sum is σ = 2169296640. Its totient is φ = 185936256.

The previous prime is 650782903. The next prime is 650782981. The reversal of 650782944 is 449287056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 650782944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47754 + ... + 59849.

It is an arithmetic number, because the mean of its divisors is an integer number (22596840).

Almost surely, 2^650782944 is an apocalyptic number.

It is an amenable number.

650782944 is an abundant number, since it is smaller than the sum of its proper divisors (1518513696).

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

650782944 is a wasteful number, since it uses less digits than its factorization.

650782944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107629 (or 107615 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 650782944 is about 25510.4477420527. The cubic root of 650782944 is about 866.5867692289.

The spelling of 650782944 in words is "six hundred fifty million, seven hundred eighty-two thousand, nine hundred forty-four".