42434531412 has 192 divisors, whose sum is σ = 127101026304. Its totient is φ = 10718023680.

The previous prime is 42434531407. The next prime is 42434531413. The reversal of 42434531412 is 21413543424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434531413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3277183 + ... + 3290105.

It is an arithmetic number, because the mean of its divisors is an integer number (661984512).

Almost surely, 2^42434531412 is an apocalyptic number.

42434531412 is a gapful number since it is divisible by the number (42) 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 42434531412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63550513152).

42434531412 is an abundant number, since it is smaller than the sum of its proper divisors (84666494892).

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

42434531412 is a wasteful number, since it uses less digits than its factorization.

42434531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13078 (or 13076 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The spelling of 42434531412 in words is "forty-two billion, four hundred thirty-four million, five hundred thirty-one thousand, four hundred twelve".