42858644685824 has 88 divisors (see below), whose sum is σ = 94427661101088. Its totient is φ = 19280364503040.

The previous prime is 42858644685797. The next prime is 42858644685827.

42858644685824 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (88).

It is not an unprimeable number, because it can be changed into a prime (42858644685827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18520394 + ... + 20705609.

Almost surely, 2^{42858644685824} is an apocalyptic number.

42858644685824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42858644685824 is an abundant number, since it is smaller than the sum of its proper divisors (51569016415264).

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

42858644685824 is a wasteful number, since it uses less digits than its factorization.

42858644685824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39226131 (or 39226113 counting only the distinct ones).

The product of its digits is 3774873600, while the sum is 74.

The spelling of 42858644685824 in words is "forty-two trillion, eight hundred fifty-eight billion, six hundred forty-four million, six hundred eighty-five thousand, eight hundred twenty-four".