43954382020 has 12 divisors (see below), whose sum is σ = 92304202284. Its totient is φ = 17581752800.

The previous prime is 43954382009. The next prime is 43954382041. The reversal of 43954382020 is 2028345934.

It can be written as a sum of positive squares in 2 ways, for example, as 19061115844 + 24893266176 = 138062^2 + 157776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098859531 + ... + 1098859570.

It is an arithmetic number, because the mean of its divisors is an integer number (7692016857).

Almost surely, 2^43954382020 is an apocalyptic number.

It is an amenable number.

43954382020 is an abundant number, since it is smaller than the sum of its proper divisors (48349820264).

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

43954382020 is a wasteful number, since it uses less digits than its factorization.

43954382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197719110 (or 2197719108 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 43954382020 in words is "forty-three billion, nine hundred fifty-four million, three hundred eighty-two thousand, twenty".