7423218152 has 24 divisors (see below), whose sum is σ = 16190948610. Its totient is φ = 3181379040.

The previous prime is 7423218149. The next prime is 7423218217. The reversal of 7423218152 is 2518123247.

It can be written as a sum of positive squares in only one way, i.e., 5379635716 + 2043582436 = 73346^2 + 45206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9467999 + ... + 9468782.

Almost surely, 2^7423218152 is an apocalyptic number.

It is an amenable number.

7423218152 is an abundant number, since it is smaller than the sum of its proper divisors (8767730458).

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

7423218152 is a wasteful number, since it uses less digits than its factorization.

7423218152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18936801 (or 18936790 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 7423218152 is about 86158.0997469187. The cubic root of 7423218152 is about 1950.7311001307.

The spelling of 7423218152 in words is "seven billion, four hundred twenty-three million, two hundred eighteen thousand, one hundred fifty-two".