43549920960 has 672 divisors, whose sum is σ = 176777367552. Its totient is φ = 8884961280.

The previous prime is 43549920959. The next prime is 43549920989. The reversal of 43549920960 is 6902994534.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35205462 + ... + 35206698.

Almost surely, 2^43549920960 is an apocalyptic number.

43549920960 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 43549920960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88388683776).

43549920960 is an abundant number, since it is smaller than the sum of its proper divisors (133227446592).

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

43549920960 is a wasteful number, since it uses less digits than its factorization.

43549920960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 43549920960 in words is "forty-three billion, five hundred forty-nine million, nine hundred twenty thousand, nine hundred sixty".