18246462468 has 24 divisors (see below), whose sum is σ = 45850085568. Its totient is φ = 5614296096.

The previous prime is 18246462467. The next prime is 18246462473. The reversal of 18246462468 is 86426464281.

It is a happy number.

It is a super-2 number, since 2×18246462468² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18246462468.

It is not an unprimeable number, because it can be changed into a prime (18246462467) 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, 58482096 + ... + 58482407.

It is an arithmetic number, because the mean of its divisors is an integer number (1910420232).

Almost surely, 2^18246462468 is an apocalyptic number.

It is an amenable number.

18246462468 is an abundant number, since it is smaller than the sum of its proper divisors (27603623100).

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

18246462468 is a wasteful number, since it uses less digits than its factorization.

18246462468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116964523 (or 116964521 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 51.

The spelling of 18246462468 in words is "eighteen billion, two hundred forty-six million, four hundred sixty-two thousand, four hundred sixty-eight".