42882155861643 has 48 divisors (see below), whose sum is σ = 70891397491200. Its totient is φ = 24468858701568.

The previous prime is 42882155861599. The next prime is 42882155861653. The reversal of 42882155861643 is 34616855128824.

It is a happy number.

42882155861643 is a `hidden beast` number, since 4 + 2 + 8 + 8 + 2 + 1 + 5 + 5 + 8 + 616 + 4 + 3 = 666.

It is not a de Polignac number, because 42882155861643 - 2⁶ = 42882155861579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (42882155861653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309663283 + ... + 309801731.

It is an arithmetic number, because the mean of its divisors is an integer number (1476904114400).

Almost surely, 2^{42882155861643} is an apocalyptic number.

42882155861643 is a deficient number, since it is larger than the sum of its proper divisors (28009241629557).

42882155861643 is a wasteful number, since it uses less digits than its factorization.

42882155861643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145496 (or 145493 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 42882155861643 in words is "forty-two trillion, eight hundred eighty-two billion, one hundred fifty-five million, eight hundred sixty-one thousand, six hundred forty-three".