43442315020 has 48 divisors (see below), whose sum is σ = 98446850208. Its totient is φ = 16007523840.

The previous prime is 43442315009. The next prime is 43442315023. The reversal of 43442315020 is 2051324434.

It is a happy number.

43442315020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43442315020.

It is not an unprimeable number, because it can be changed into a prime (43442315023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42489 + ... + 297808.

It is an arithmetic number, because the mean of its divisors is an integer number (2050976046).

Almost surely, 2^43442315020 is an apocalyptic number.

It is an amenable number.

43442315020 is an abundant number, since it is smaller than the sum of its proper divisors (55004535188).

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

43442315020 is a wasteful number, since it uses less digits than its factorization.

43442315020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340810 (or 340808 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 43442315020 its reverse (2051324434), we get a palindrome (45493639454).

The spelling of 43442315020 in words is "forty-three billion, four hundred forty-two million, three hundred fifteen thousand, twenty".