42821503944 has 16 divisors (see below), whose sum is σ = 107053759920. Its totient is φ = 14273834640.

The previous prime is 42821503889. The next prime is 42821503961. The reversal of 42821503944 is 44930512824.

It is a happy number.

42821503944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42821503896 and 42821503905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892114642 + ... + 892114689.

It is an arithmetic number, because the mean of its divisors is an integer number (6690859995).

Almost surely, 2^42821503944 is an apocalyptic number.

It is an amenable number.

42821503944 is an abundant number, since it is smaller than the sum of its proper divisors (64232255976).

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

42821503944 is a wasteful number, since it uses less digits than its factorization.

42821503944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784229340 (or 1784229336 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 42821503944 in words is "forty-two billion, eight hundred twenty-one million, five hundred three thousand, nine hundred forty-four".