650005552404 has 36 divisors (see below), whose sum is σ = 1769459560596. Its totient is φ = 200001708288.

The previous prime is 650005552373. The next prime is 650005552447. The reversal of 650005552404 is 404255500056.

650005552404 is a `hidden beast` number, since 65 + 0 + 0 + 0 + 5 + 552 + 40 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 218277708804 + 431727843600 = 467202^2 + 657060^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694449909 + ... + 694450844.

It is an arithmetic number, because the mean of its divisors is an integer number (49151654461).

Almost surely, 2^650005552404 is an apocalyptic number.

It is an amenable number.

650005552404 is an abundant number, since it is smaller than the sum of its proper divisors (1119454008192).

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

650005552404 is a wasteful number, since it uses less digits than its factorization.

650005552404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388900776 (or 1388900771 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 650005552404 in words is "six hundred fifty billion, five million, five hundred fifty-two thousand, four hundred four".