42154054112 has 24 divisors (see below), whose sum is σ = 84159682992. Its totient is φ = 20780166400.

The previous prime is 42154054093. The next prime is 42154054121. The reversal of 42154054112 is 21145045124.

It is a happy number.

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, 9274589 + ... + 9279132.

It is an arithmetic number, because the mean of its divisors is an integer number (3506653458).

Almost surely, 2^42154054112 is an apocalyptic number.

It is an amenable number.

42154054112 is a deficient number, since it is larger than the sum of its proper divisors (42005628880).

42154054112 is a wasteful number, since it uses less digits than its factorization.

42154054112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553802 (or 18553794 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 42154054112 its reverse (21145045124), we get a palindrome (63299099236).

The spelling of 42154054112 in words is "forty-two billion, one hundred fifty-four million, fifty-four thousand, one hundred twelve".