43384648384 has 112 divisors (see below), whose sum is σ = 109095088896. Its totient is φ = 16625894400.

The previous prime is 43384648379. The next prime is 43384648387. The reversal of 43384648384 is 48384648334.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×43384648384² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43384648387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228447 + ... + 372769.

Almost surely, 2^43384648384 is an apocalyptic number.

43384648384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43384648384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54547544448).

43384648384 is an abundant number, since it is smaller than the sum of its proper divisors (65710440512).

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

43384648384 is a wasteful number, since it uses less digits than its factorization.

43384648384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144414 (or 144404 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 55.

The spelling of 43384648384 in words is "forty-three billion, three hundred eighty-four million, six hundred forty-eight thousand, three hundred eighty-four".