42272121548 has 6 divisors (see below), whose sum is σ = 73976212716. Its totient is φ = 21136060772.

The previous prime is 42272121517. The next prime is 42272121553. The reversal of 42272121548 is 84512127224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5284015190 + ... + 5284015197.

It is an arithmetic number, because the mean of its divisors is an integer number (12329368786).

Almost surely, 2^42272121548 is an apocalyptic number.

It is an amenable number.

42272121548 is a deficient number, since it is larger than the sum of its proper divisors (31704091168).

42272121548 is a wasteful number, since it uses less digits than its factorization.

42272121548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568030391 (or 10568030389 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The spelling of 42272121548 in words is "forty-two billion, two hundred seventy-two million, one hundred twenty-one thousand, five hundred forty-eight".