43722048378020 has 48 divisors (see below), whose sum is σ = 92176112690928. Its totient is φ = 17420287672320.

The previous prime is 43722048377941. The next prime is 43722048378139. The reversal of 43722048378020 is 2087384022734.

It can be written as a sum of positive squares in 8 ways, for example, as 14037596035684 + 29684452342336 = 3746678^2 + 5448344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43722048378020.

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, 229256624 + ... + 229447256.

It is an arithmetic number, because the mean of its divisors is an integer number (1920335681061).

Almost surely, 2^{43722048378020} is an apocalyptic number.

It is an amenable number.

43722048378020 is an abundant number, since it is smaller than the sum of its proper divisors (48454064312908).

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

43722048378020 is a wasteful number, since it uses less digits than its factorization.

43722048378020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235520 (or 235518 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 43722048378020 in words is "forty-three trillion, seven hundred twenty-two billion, forty-eight million, three hundred seventy-eight thousand, twenty".