40422134412 has 144 divisors (see below), whose sum is σ = 112669974144. Its totient is φ = 12117600000.

The previous prime is 40422134407. The next prime is 40422134419. The reversal of 40422134412 is 21443122404.

40422134412 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 213 + 441 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (40422134419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17956287 + ... + 17958537.

It is an arithmetic number, because the mean of its divisors is an integer number (782430376).

Almost surely, 2^40422134412 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 40422134412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56334987072).

40422134412 is an abundant number, since it is smaller than the sum of its proper divisors (72247839732).

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

40422134412 is a wasteful number, since it uses less digits than its factorization.

40422134412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40422134412 its reverse (21443122404), we get a palindrome (61865256816).

The spelling of 40422134412 in words is "forty billion, four hundred twenty-two million, one hundred thirty-four thousand, four hundred twelve".