42000646416 has 20 divisors (see below), whose sum is σ = 108501670032. Its totient is φ = 14000215456.

The previous prime is 42000646409. The next prime is 42000646423. The reversal of 42000646416 is 61464600024.

It is an interprime number because it is at equal distance from previous prime (42000646409) and next prime (42000646423).

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, 437506686 + ... + 437506781.

Almost surely, 2^42000646416 is an apocalyptic number.

It is an amenable number.

42000646416 is an abundant number, since it is smaller than the sum of its proper divisors (66501023616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42000646416 is a wasteful number, since it uses less digits than its factorization.

42000646416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875013478 (or 875013472 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 42000646416 in words is "forty-two billion, six hundred forty-six thousand, four hundred sixteen".