42612516406 has 4 divisors (see below), whose sum is σ = 63918774612. Its totient is φ = 21306258202.

The previous prime is 42612516383. The next prime is 42612516413. The reversal of 42612516406 is 60461521624.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10653129100 + ... + 10653129103.

It is an arithmetic number, because the mean of its divisors is an integer number (15979693653).

Almost surely, 2^42612516406 is an apocalyptic number.

42612516406 is a deficient number, since it is larger than the sum of its proper divisors (21306258206).

42612516406 is a wasteful number, since it uses less digits than its factorization.

42612516406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21306258205.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 42612516406 in words is "forty-two billion, six hundred twelve million, five hundred sixteen thousand, four hundred six".