43641164042020 has 12 divisors (see below), whose sum is σ = 91646444488284. Its totient is φ = 17456465616800.

The previous prime is 43641164041997. The next prime is 43641164042053. The reversal of 43641164042020 is 2024046114634.

It can be written as a sum of positive squares in 2 ways, for example, as 24629959528164 + 19011204513856 = 4962858^2 + 4360184^2 .

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, 1091029101031 + ... + 1091029101070.

It is an arithmetic number, because the mean of its divisors is an integer number (7637203707357).

Almost surely, 2^{43641164042020} is an apocalyptic number.

It is an amenable number.

43641164042020 is an abundant number, since it is smaller than the sum of its proper divisors (48005280446264).

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

43641164042020 is a wasteful number, since it uses less digits than its factorization.

43641164042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182058202110 (or 2182058202108 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 43641164042020 in words is "forty-three trillion, six hundred forty-one billion, one hundred sixty-four million, forty-two thousand, twenty".