43438711783434 has 128 divisors (see below), whose sum is σ = 104783965396992. Its totient is φ = 11842308234240.

The previous prime is 43438711783429. The next prime is 43438711783459.

43438711783434 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37807524 + ... + 38939520.

It is an arithmetic number, because the mean of its divisors is an integer number (818624729664).

Almost surely, 2^{43438711783434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43438711783434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52391982698496).

43438711783434 is an abundant number, since it is smaller than the sum of its proper divisors (61345253613558).

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

43438711783434 is a wasteful number, since it uses less digits than its factorization.

43438711783434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133540.

The product of its digits is 65028096, while the sum is 60.

The spelling of 43438711783434 in words is "forty-three trillion, four hundred thirty-eight billion, seven hundred eleven million, seven hundred eighty-three thousand, four hundred thirty-four".