43640500234 has 8 divisors (see below), whose sum is σ = 65462200128. Its totient is φ = 21819766860.

The previous prime is 43640500229. The next prime is 43640500259. The reversal of 43640500234 is 43200504634.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43640500196 and 43640500205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115602 + ... + 317245.

It is an arithmetic number, because the mean of its divisors is an integer number (8182775016).

Almost surely, 2^43640500234 is an apocalyptic number.

43640500234 is a deficient number, since it is larger than the sum of its proper divisors (21821699894).

43640500234 is a wasteful number, since it uses less digits than its factorization.

43640500234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483260.

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 43640500234 in words is "forty-three billion, six hundred forty million, five hundred thousand, two hundred thirty-four".