43998689934 has 96 divisors (see below), whose sum is σ = 99333954720. Its totient is φ = 14062761216.

The previous prime is 43998689909. The next prime is 43998689951.

43998689934 is a `hidden beast` number, since 439 + 9 + 86 + 89 + 9 + 34 = 666.

43998689934 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×43998689934³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30789132 + ... + 30790560.

It is an arithmetic number, because the mean of its divisors is an integer number (1034728695).

Almost surely, 2^43998689934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43998689934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49666977360).

43998689934 is an abundant number, since it is smaller than the sum of its proper divisors (55335264786).

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

43998689934 is a wasteful number, since it uses less digits than its factorization.

43998689934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2111 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 72.

The spelling of 43998689934 in words is "forty-three billion, nine hundred ninety-eight million, six hundred eighty-nine thousand, nine hundred thirty-four".