4028487417664 has 28 divisors (see below), whose sum is σ = 8095219979200. Its totient is φ = 1988746950528.

The previous prime is 4028487417631. The next prime is 4028487417667. The reversal of 4028487417664 is 4667147848204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028487417667) 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, 398381754 + ... + 398391865.

Almost surely, 2^{4028487417664} is an apocalyptic number.

It is an amenable number.

4028487417664 is an abundant number, since it is smaller than the sum of its proper divisors (4066732561536).

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

4028487417664 is an equidigital number, since it uses as much as digits as its factorization.

4028487417664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796773710 (or 796773700 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 61.

The spelling of 4028487417664 in words is "four trillion, twenty-eight billion, four hundred eighty-seven million, four hundred seventeen thousand, six hundred sixty-four".