42261727932 has 144 divisors (see below), whose sum is σ = 117774899424. Its totient is φ = 12722688000.

The previous prime is 42261727909. The next prime is 42261727979. The reversal of 42261727932 is 23972716224.

42261727932 is a `hidden beast` number, since 4 + 2 + 2 + 617 + 27 + 9 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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, 1516807 + ... + 1544417.

It is an arithmetic number, because the mean of its divisors is an integer number (817881246).

Almost surely, 2^42261727932 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 42261727932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58887449712).

42261727932 is an abundant number, since it is smaller than the sum of its proper divisors (75513171492).

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

42261727932 is a wasteful number, since it uses less digits than its factorization.

42261727932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740 (or 27735 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 42261727932 in words is "forty-two billion, two hundred sixty-one million, seven hundred twenty-seven thousand, nine hundred thirty-two".