43458685434 has 64 divisors (see below), whose sum is σ = 98613607680. Its totient is φ = 14183320320.

The previous prime is 43458685399. The next prime is 43458685453.

43458685434 is a `hidden beast` number, since 4 + 3 + 4 + 586 + 8 + 54 + 3 + 4 = 666.

43458685434 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499819 + ... + 580289.

It is an arithmetic number, because the mean of its divisors is an integer number (1540837620).

Almost surely, 2^43458685434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43458685434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49306803840).

43458685434 is an abundant number, since it is smaller than the sum of its proper divisors (55154922246).

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

43458685434 is a wasteful number, since it uses less digits than its factorization.

43458685434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80692 (or 80686 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 54.

The spelling of 43458685434 in words is "forty-three billion, four hundred fifty-eight million, six hundred eighty-five thousand, four hundred thirty-four".