43389496448 has 64 divisors (see below), whose sum is σ = 87938524800. Its totient is φ = 21321603072.

The previous prime is 43389496393. The next prime is 43389496463. The reversal of 43389496448 is 84469498334.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×43389496448² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891061 + ... + 1913867.

It is an arithmetic number, because the mean of its divisors is an integer number (1374039450).

Almost surely, 2^43389496448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43389496448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43969262400).

43389496448 is an abundant number, since it is smaller than the sum of its proper divisors (44549028352).

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

43389496448 is a wasteful number, since it uses less digits than its factorization.

43389496448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23077 (or 23065 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 62.

The spelling of 43389496448 in words is "forty-three billion, three hundred eighty-nine million, four hundred ninety-six thousand, four hundred forty-eight".