42140732844 has 72 divisors (see below), whose sum is σ = 114477919920. Its totient is φ = 12030111744.

The previous prime is 42140732813. The next prime is 42140732861. The reversal of 42140732844 is 44823704124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686152 + ... + 745040.

It is an arithmetic number, because the mean of its divisors is an integer number (1589971110).

Almost surely, 2^42140732844 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 42140732844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57238959960).

42140732844 is an abundant number, since it is smaller than the sum of its proper divisors (72337187076).

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

42140732844 is a wasteful number, since it uses less digits than its factorization.

42140732844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60127 (or 60118 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 42140732844 in words is "forty-two billion, one hundred forty million, seven hundred thirty-two thousand, eight hundred forty-four".