43013942720 has 112 divisors (see below), whose sum is σ = 117113791680. Its totient is φ = 14740783104.

The previous prime is 43013942717. The next prime is 43013942747. The reversal of 43013942720 is 2724931034.

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

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8099426 + ... + 8104734.

Almost surely, 2^43013942720 is an apocalyptic number.

43013942720 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 43013942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58556895840).

43013942720 is an abundant number, since it is smaller than the sum of its proper divisors (74099848960).

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

43013942720 is a wasteful number, since it uses less digits than its factorization.

43013942720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 43013942720 in words is "forty-three billion, thirteen million, nine hundred forty-two thousand, seven hundred twenty".