43429803648 has 256 divisors, whose sum is σ = 148468654080. Its totient is φ = 10916352000.

The previous prime is 43429803647. The next prime is 43429803671. The reversal of 43429803648 is 84630892434.

It is a super-2 number, since 2×43429803648² (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 43429803648.

It is not an unprimeable number, because it can be changed into a prime (43429803647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892918 + ... + 940298.

It is an arithmetic number, because the mean of its divisors is an integer number (579955680).

Almost surely, 2^43429803648 is an apocalyptic number.

43429803648 is a gapful number since it is divisible by the number (48) 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 43429803648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74234327040).

43429803648 is an abundant number, since it is smaller than the sum of its proper divisors (105038850432).

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

43429803648 is a wasteful number, since it uses less digits than its factorization.

43429803648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47447 (or 47435 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 43429803648 in words is "forty-three billion, four hundred twenty-nine million, eight hundred three thousand, six hundred forty-eight".