43620474720 has 192 divisors, whose sum is σ = 140012167680. Its totient is φ = 11412172800.

The previous prime is 43620474679. The next prime is 43620474727. The reversal of 43620474720 is 2747402634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43620474727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17868700 + ... + 17871140.

It is an arithmetic number, because the mean of its divisors is an integer number (729230040).

Almost surely, 2^43620474720 is an apocalyptic number.

43620474720 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 43620474720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70006083840).

43620474720 is an abundant number, since it is smaller than the sum of its proper divisors (96391692960).

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

43620474720 is a wasteful number, since it uses less digits than its factorization.

43620474720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3141 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 43620474720 in words is "forty-three billion, six hundred twenty million, four hundred seventy-four thousand, seven hundred twenty".