42726287292 has 144 divisors (see below), whose sum is σ = 113547184128. Its totient is φ = 12481447680.

The previous prime is 42726287291. The next prime is 42726287347. The reversal of 42726287292 is 29278262724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42726287291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3325593 + ... + 3338415.

It is an arithmetic number, because the mean of its divisors is an integer number (788522112).

Almost surely, 2^42726287292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42726287292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56773592064).

42726287292 is an abundant number, since it is smaller than the sum of its proper divisors (70820896836).

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

42726287292 is a wasteful number, since it uses less digits than its factorization.

42726287292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940 (or 12925 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 42726287292 in words is "forty-two billion, seven hundred twenty-six million, two hundred eighty-seven thousand, two hundred ninety-two".