42112649542 has 8 divisors (see below), whose sum is σ = 63188051256. Its totient is φ = 21049965792.

The previous prime is 42112649533. The next prime is 42112649561. The reversal of 42112649542 is 24594621124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42112649495 and 42112649504.

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, 3171208 + ... + 3184459.

It is an arithmetic number, because the mean of its divisors is an integer number (7898506407).

Almost surely, 2^42112649542 is an apocalyptic number.

42112649542 is a deficient number, since it is larger than the sum of its proper divisors (21075401714).

42112649542 is a wasteful number, since it uses less digits than its factorization.

42112649542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358982.

The product of its digits is 138240, while the sum is 40.

The spelling of 42112649542 in words is "forty-two billion, one hundred twelve million, six hundred forty-nine thousand, five hundred forty-two".