42040434132 has 96 divisors (see below), whose sum is σ = 114871680000. Its totient is φ = 13259560032.

The previous prime is 42040434131. The next prime is 42040434199. The reversal of 42040434132 is 23143404024.

It is a happy number.

42040434132 is a `hidden beast` number, since 4 + 204 + 0 + 43 + 413 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42040434096 and 42040434105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040434131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1709419 + ... + 1733837.

It is an arithmetic number, because the mean of its divisors is an integer number (1196580000).

Almost surely, 2^42040434132 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 42040434132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57435840000).

42040434132 is an abundant number, since it is smaller than the sum of its proper divisors (72831245868).

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

42040434132 is a wasteful number, since it uses less digits than its factorization.

42040434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25290 (or 25282 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42040434132 its reverse (23143404024), we get a palindrome (65183838156).

The spelling of 42040434132 in words is "forty-two billion, forty million, four hundred thirty-four thousand, one hundred thirty-two".