18452031834 has 32 divisors (see below), whose sum is σ = 37698981120. Its totient is φ = 6018258752.

The previous prime is 18452031833. The next prime is 18452031839. The reversal of 18452031834 is 43813025481.

It is a junction number, because it is equal to n+sod(n) for n = 18452031792 and 18452031801.

It is not an unprimeable number, because it can be changed into a prime (18452031833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694752 + ... + 1705604.

It is an arithmetic number, because the mean of its divisors is an integer number (1178093160).

Almost surely, 2^18452031834 is an apocalyptic number.

18452031834 is an abundant number, since it is smaller than the sum of its proper divisors (19246949286).

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

18452031834 is a wasteful number, since it uses less digits than its factorization.

18452031834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16934.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 18452031834 in words is "eighteen billion, four hundred fifty-two million, thirty-one thousand, eight hundred thirty-four".