40422113280 has 384 divisors, whose sum is σ = 142310563200. Its totient is φ = 10612113408.

The previous prime is 40422113233. The next prime is 40422113311. The reversal of 40422113280 is 8231122404.

40422113280 is a `hidden beast` number, since 404 + 221 + 1 + 32 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116490067 + ... + 116490413.

It is an arithmetic number, because the mean of its divisors is an integer number (370600425).

Almost surely, 2^40422113280 is an apocalyptic number.

40422113280 is a gapful number since it is divisible by the number (40) 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 40422113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71155281600).

40422113280 is an abundant number, since it is smaller than the sum of its proper divisors (101888449920).

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

40422113280 is an equidigital number, since it uses as much as digits as its factorization.

40422113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 40422113280 its reverse (8231122404), we get a palindrome (48653235684).

The spelling of 40422113280 in words is "forty billion, four hundred twenty-two million, one hundred thirteen thousand, two hundred eighty".