42881798 has 12 divisors (see below), whose sum is σ = 67242588. Its totient is φ = 20508180.

The previous prime is 42881771. The next prime is 42881801. The reversal of 42881798 is 89718824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19208 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (5603549).

Almost surely, 2^42881798 is an apocalyptic number.

42881798 is a deficient number, since it is larger than the sum of its proper divisors (24360790).

42881798 is a wasteful number, since it uses less digits than its factorization.

42881798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40579 (or 40556 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 42881798 is about 6548.4195039719. The cubic root of 42881798 is about 350.0184969816.

The spelling of 42881798 in words is "forty-two million, eight hundred eighty-one thousand, seven hundred ninety-eight".