42219634724 has 24 divisors (see below), whose sum is σ = 74861149440. Its totient is φ = 20831031936.

The previous prime is 42219634679. The next prime is 42219634727. The reversal of 42219634724 is 42743691224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42219634727) 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, 547484 + ... + 619820.

It is an arithmetic number, because the mean of its divisors is an integer number (3119214560).

Almost surely, 2^42219634724 is an apocalyptic number.

It is an amenable number.

42219634724 is a deficient number, since it is larger than the sum of its proper divisors (32641514716).

42219634724 is a wasteful number, since it uses less digits than its factorization.

42219634724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74267 (or 74265 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The spelling of 42219634724 in words is "forty-two billion, two hundred nineteen million, six hundred thirty-four thousand, seven hundred twenty-four".