42882155861644 has 24 divisors (see below), whose sum is σ = 81866210465088. Its totient is φ = 19491823183440.

The previous prime is 42882155861599. The next prime is 42882155861653. The reversal of 42882155861644 is 44616855128824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989179 + ... + 15952525.

It is an arithmetic number, because the mean of its divisors is an integer number (3411092102712).

Almost surely, 2^{42882155861644} is an apocalyptic number.

42882155861644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42882155861644 is a deficient number, since it is larger than the sum of its proper divisors (38984054603444).

42882155861644 is a wasteful number, since it uses less digits than its factorization.

42882155861644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292245 (or 3292243 counting only the distinct ones).

The product of its digits is 117964800, while the sum is 64.

The spelling of 42882155861644 in words is "forty-two trillion, eight hundred eighty-two billion, one hundred fifty-five million, eight hundred sixty-one thousand, six hundred forty-four".