42040342212 has 96 divisors (see below), whose sum is σ = 110112234624. Its totient is φ = 12375168000.

The previous prime is 42040342189. The next prime is 42040342247. The reversal of 42040342212 is 21224304024.

42040342212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676848 + ... + 736344.

It is an arithmetic number, because the mean of its divisors is an integer number (1147002444).

Almost surely, 2^42040342212 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 42040342212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55056117312).

42040342212 is an abundant number, since it is smaller than the sum of its proper divisors (68071892412).

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

42040342212 is a wasteful number, since it uses less digits than its factorization.

42040342212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59669 (or 59667 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42040342212 its reverse (21224304024), we get a palindrome (63264646236).

The spelling of 42040342212 in words is "forty-two billion, forty million, three hundred forty-two thousand, two hundred twelve".