42811187874 has 128 divisors (see below), whose sum is σ = 108173560320. Its totient is φ = 10992844800.

The previous prime is 42811187869. The next prime is 42811187893. The reversal of 42811187874 is 47878111824.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12735954 + ... + 12739314.

It is an arithmetic number, because the mean of its divisors is an integer number (845105940).

Almost surely, 2^42811187874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42811187874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54086780160).

42811187874 is an abundant number, since it is smaller than the sum of its proper divisors (65362372446).

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

42811187874 is a wasteful number, since it uses less digits than its factorization.

42811187874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996.

The product of its digits is 802816, while the sum is 51.

The spelling of 42811187874 in words is "forty-two billion, eight hundred eleven million, one hundred eighty-seven thousand, eight hundred seventy-four".