42516406406 has 8 divisors (see below), whose sum is σ = 63798494304. Its totient is φ = 21250241640.

The previous prime is 42516406399. The next prime is 42516406417. The reversal of 42516406406 is 60460461524.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42516406406.

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, 3974105 + ... + 3984788.

It is an arithmetic number, because the mean of its divisors is an integer number (7974811788).

Almost surely, 2^42516406406 is an apocalyptic number.

42516406406 is a deficient number, since it is larger than the sum of its proper divisors (21282087898).

42516406406 is a wasteful number, since it uses less digits than its factorization.

42516406406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961566.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 42516406406 in words is "forty-two billion, five hundred sixteen million, four hundred six thousand, four hundred six".