42422149988 has 12 divisors (see below), whose sum is σ = 74265117360. Its totient is φ = 21203545032.

The previous prime is 42422149951. The next prime is 42422149999. The reversal of 42422149988 is 88994122424.

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, 1869806 + ... + 1892357.

It is an arithmetic number, because the mean of its divisors is an integer number (6188759780).

Almost surely, 2^42422149988 is an apocalyptic number.

It is an amenable number.

42422149988 is a deficient number, since it is larger than the sum of its proper divisors (31842967372).

42422149988 is a wasteful number, since it uses less digits than its factorization.

42422149988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764986 (or 3764984 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The spelling of 42422149988 in words is "forty-two billion, four hundred twenty-two million, one hundred forty-nine thousand, nine hundred eighty-eight".