42927128244 has 432 divisors, whose sum is σ = 149969723904. Its totient is φ = 10048147200.

The previous prime is 42927128239. The next prime is 42927128249. The reversal of 42927128244 is 44282172924.

It is an interprime number because it is at equal distance from previous prime (42927128239) and next prime (42927128249).

It is a self number, because there is not a number n which added to its sum of digits gives 42927128244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42927128249) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20143059 + ... + 20145189.

Almost surely, 2^42927128244 is an apocalyptic number.

42927128244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42927128244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74984861952).

42927128244 is an abundant number, since it is smaller than the sum of its proper divisors (107042595660).

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

42927128244 is a wasteful number, since it uses less digits than its factorization.

42927128244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2210 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

It can be divided in two parts, 42927 and 128244, that added together give a palindrome (171171).

The spelling of 42927128244 in words is "forty-two billion, nine hundred twenty-seven million, one hundred twenty-eight thousand, two hundred forty-four".