43242916720 has 20 divisors (see below), whose sum is σ = 100539781560. Its totient is φ = 17297166656.

The previous prime is 43242916709. The next prime is 43242916721. The reversal of 43242916720 is 2761924234.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242916721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270268150 + ... + 270268309.

It is an arithmetic number, because the mean of its divisors is an integer number (5026989078).

Almost surely, 2^43242916720 is an apocalyptic number.

43242916720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43242916720 is an abundant number, since it is smaller than the sum of its proper divisors (57296864840).

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

43242916720 is a wasteful number, since it uses less digits than its factorization.

43242916720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540536472 (or 540536466 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 43242916720 in words is "forty-three billion, two hundred forty-two million, nine hundred sixteen thousand, seven hundred twenty".