650544738 has 32 divisors (see below), whose sum is σ = 1325445120. Its totient is φ = 212802000.

The previous prime is 650544709. The next prime is 650544761. The reversal of 650544738 is 837445056.

It is a super-2 number, since 2×650544738² = 846416912278977288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650544738.

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 15 ways as a sum of consecutive naturals, for example, 264631 + ... + 267077.

It is an arithmetic number, because the mean of its divisors is an integer number (41420160).

Almost surely, 2^650544738 is an apocalyptic number.

650544738 is an abundant number, since it is smaller than the sum of its proper divisors (674900382).

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

650544738 is a wasteful number, since it uses less digits than its factorization.

650544738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 650544738 is about 25505.7785217390. The cubic root of 650544738 is about 866.4810241101.

The spelling of 650544738 in words is "six hundred fifty million, five hundred forty-four thousand, seven hundred thirty-eight".