4638554500 has 24 divisors (see below), whose sum is σ = 10130604120. Its totient is φ = 1855421600.

The previous prime is 4638554423. The next prime is 4638554527. The reversal of 4638554500 is 54558364.

It can be written as a sum of positive squares in 4 ways, for example, as 1439747136 + 3198807364 = 37944^2 + 56558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638055 + ... + 4639054.

It is an arithmetic number, because the mean of its divisors is an integer number (422108505).

Almost surely, 2^4638554500 is an apocalyptic number.

It is an amenable number.

4638554500 is an abundant number, since it is smaller than the sum of its proper divisors (5492049620).

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

4638554500 is a wasteful number, since it uses less digits than its factorization.

4638554500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277128 (or 9277116 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 4638554500 is about 68106.9343018756. The cubic root of 4638554500 is about 1667.7369636426.

The spelling of 4638554500 in words is "four billion, six hundred thirty-eight million, five hundred fifty-four thousand, five hundred".