43375500000 has 1176 divisors, whose sum is σ = 193663458576. Its totient is φ = 9331200000.

The previous prime is 43375499989. The next prime is 43375500019. The reversal of 43375500000 is 557334.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 195 ways as a sum of consecutive naturals, for example, 2551499992 + ... + 2551500008.

Almost surely, 2^43375500000 is an apocalyptic number.

43375500000 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 43375500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96831729288).

43375500000 is an abundant number, since it is smaller than the sum of its proper divisors (150287958576).

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

43375500000 is an frugal number, since it uses more digits than its factorization.

43375500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The spelling of 43375500000 in words is "forty-three billion, three hundred seventy-five million, five hundred thousand".