42145441684 has 12 divisors (see below), whose sum is σ = 76961241504. Its totient is φ = 20156515544.

The previous prime is 42145441649. The next prime is 42145441703. The reversal of 42145441684 is 48614454124.

It is a self number, because there is not a number n which added to its sum of digits gives 42145441684.

It is a congruent number.

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, 229051222 + ... + 229051405.

It is an arithmetic number, because the mean of its divisors is an integer number (6413436792).

Almost surely, 2^42145441684 is an apocalyptic number.

It is an amenable number.

42145441684 is a deficient number, since it is larger than the sum of its proper divisors (34815799820).

42145441684 is a wasteful number, since it uses less digits than its factorization.

42145441684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458102654 (or 458102652 counting only the distinct ones).

The product of its digits is 491520, while the sum is 43.

The spelling of 42145441684 in words is "forty-two billion, one hundred forty-five million, four hundred forty-one thousand, six hundred eighty-four".