5218018652 has 24 divisors (see below), whose sum is σ = 11384768640. Its totient is φ = 2032994160.

The previous prime is 5218018643. The next prime is 5218018657. The reversal of 5218018652 is 2568108125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218018657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8470502 + ... + 8471117.

It is an arithmetic number, because the mean of its divisors is an integer number (474365360).

Almost surely, 2^5218018652 is an apocalyptic number.

It is an amenable number.

5218018652 is an abundant number, since it is smaller than the sum of its proper divisors (6166749988).

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

5218018652 is a wasteful number, since it uses less digits than its factorization.

5218018652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16941641 (or 16941639 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 5218018652 is about 72235.8543384101. The cubic root of 5218018652 is about 1734.4769885266.

The spelling of 5218018652 in words is "five billion, two hundred eighteen million, eighteen thousand, six hundred fifty-two".