42000416664 has 16 divisors (see below), whose sum is σ = 105001041720. Its totient is φ = 14000138880.

The previous prime is 42000416663. The next prime is 42000416683. The reversal of 42000416664 is 46661400024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000416663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875008657 + ... + 875008704.

Almost surely, 2^42000416664 is an apocalyptic number.

It is an amenable number.

42000416664 is an abundant number, since it is smaller than the sum of its proper divisors (63000625056).

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

42000416664 is a wasteful number, since it uses less digits than its factorization.

42000416664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750017370 (or 1750017366 counting only the distinct ones).

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

Adding to 42000416664 its reverse (46661400024), we get a palindrome (88661816688).

The spelling of 42000416664 in words is "forty-two billion, four hundred sixteen thousand, six hundred sixty-four".