43463581434 has 144 divisors (see below), whose sum is σ = 121779141120. Its totient is φ = 11093060160.

The previous prime is 43463581417. The next prime is 43463581453. The reversal of 43463581434 is 43418536434.

43463581434 is a `hidden beast` number, since 4 + 3 + 4 + 63 + 581 + 4 + 3 + 4 = 666.

It is a super-2 number, since 2×43463581434² (a number of 22 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 43463581434.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 294307 + ... + 416585.

It is an arithmetic number, because the mean of its divisors is an integer number (845688480).

Almost surely, 2^43463581434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43463581434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60889570560).

43463581434 is an abundant number, since it is smaller than the sum of its proper divisors (78315559686).

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

43463581434 is a wasteful number, since it uses less digits than its factorization.

43463581434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122345 (or 122335 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 43463581434 in words is "forty-three billion, four hundred sixty-three million, five hundred eighty-one thousand, four hundred thirty-four".