12422354040 has 96 divisors (see below), whose sum is σ = 40413016800. Its totient is φ = 3309315840.

The previous prime is 12422354017. The next prime is 12422354057. The reversal of 12422354040 is 4045322421.

12422354040 is a `hidden beast` number, since 1 + 24 + 2 + 235 + 404 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12422353995 and 12422354013.

It is a congruent number.

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, 354426 + ... + 387894.

It is an arithmetic number, because the mean of its divisors is an integer number (420968925).

Almost surely, 2^12422354040 is an apocalyptic number.

12422354040 is a gapful number since it is divisible by the number (10) 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 12422354040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20206508400).

12422354040 is an abundant number, since it is smaller than the sum of its proper divisors (27990662760).

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

12422354040 is a wasteful number, since it uses less digits than its factorization.

12422354040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34517 (or 34510 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 12422354040 its reverse (4045322421), we get a palindrome (16467676461).

The spelling of 12422354040 in words is "twelve billion, four hundred twenty-two million, three hundred fifty-four thousand, forty".