42245543612 has 24 divisors (see below), whose sum is σ = 74438001792. Its totient is φ = 20977614000.

The previous prime is 42245543573. The next prime is 42245543737. The reversal of 42245543612 is 21634554224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673223 + ... + 3684705.

It is an arithmetic number, because the mean of its divisors is an integer number (3101583408).

Almost surely, 2^42245543612 is an apocalyptic number.

It is an amenable number.

42245543612 is a deficient number, since it is larger than the sum of its proper divisors (32192458180).

42245543612 is a wasteful number, since it uses less digits than its factorization.

42245543612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729 (or 17727 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The spelling of 42245543612 in words is "forty-two billion, two hundred forty-five million, five hundred forty-three thousand, six hundred twelve".