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43428269280 = 25351141832417
BaseRepresentation
bin101000011100100001…
…101100110011100000
311011002120221122211210
4220130201230303200
51202420114104110
631541202310120
73065123124654
oct503441546340
9134076848753
1043428269280
1117466142540
128500058340
1341313c5676
14215da16a64
1511e2975520
hexa1c86cce0

43428269280 has 384 divisors, whose sum is σ = 154781093376. Its totient is φ = 10143334400.

The previous prime is 43428269279. The next prime is 43428269323. The reversal of 43428269280 is 8296282434.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 17966632 + ... + 17969048.

It is an arithmetic number, because the mean of its divisors is an integer number (403075764).

Almost surely, 243428269280 is an apocalyptic number.

43428269280 is a gapful number since it is divisible by the number (40) 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 43428269280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77390546688).

43428269280 is an abundant number, since it is smaller than the sum of its proper divisors (111352824096).

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

43428269280 is a wasteful number, since it uses less digits than its factorization.

43428269280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 43428269280 in words is "forty-three billion, four hundred twenty-eight million, two hundred sixty-nine thousand, two hundred eighty".