42428804488863 has 40 divisors (see below), whose sum is σ = 61366513533936. Its totient is φ = 26075683296000.

The previous prime is 42428804488849. The next prime is 42428804488879. The reversal of 42428804488863 is 36888440882424.

It is not a de Polignac number, because 42428804488863 - 2¹² = 42428804484767 is a prime.

It is a super-2 number, since 2×42428804488863² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42428804488963) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64879413 + ... + 65530113.

Almost surely, 2^{42428804488863} is an apocalyptic number.

42428804488863 is a deficient number, since it is larger than the sum of its proper divisors (18937709045073).

42428804488863 is an frugal number, since it uses more digits than its factorization.

42428804488863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651517 (or 651478 counting only the distinct ones).

The product of its (nonzero) digits is 603979776, while the sum is 69.

The spelling of 42428804488863 in words is "forty-two trillion, four hundred twenty-eight billion, eight hundred four million, four hundred eighty-eight thousand, eight hundred sixty-three".