42491819424 has 48 divisors (see below), whose sum is σ = 114555657888. Its totient is φ = 13781129472.

The previous prime is 42491819423. The next prime is 42491819429.

42491819424 is nontrivially palindromic in base 10.

42491819424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (42491819423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5977842 + ... + 5984945.

It is an arithmetic number, because the mean of its divisors is an integer number (2386576206).

Almost surely, 2^42491819424 is an apocalyptic number.

It is an amenable number.

42491819424 is an abundant number, since it is smaller than the sum of its proper divisors (72063838464).

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

42491819424 is a wasteful number, since it uses less digits than its factorization.

42491819424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962837 (or 11962829 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The spelling of 42491819424 in words is "forty-two billion, four hundred ninety-one million, eight hundred nineteen thousand, four hundred twenty-four".