22142432332440 has 96 divisors (see below), whose sum is σ = 82243320101280. Its totient is φ = 5061127389696.

The previous prime is 22142432332439. The next prime is 22142432332459. The reversal of 22142432332440 is 4423323424122.

22142432332440 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 2 + 4 + 323 + 324 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22142432332395 and 22142432332404.

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, 4393337229 + ... + 4393342268.

It is an arithmetic number, because the mean of its divisors is an integer number (856701251055).

Almost surely, 2^{22142432332440} is an apocalyptic number.

22142432332440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142432332440 is an abundant number, since it is smaller than the sum of its proper divisors (60100887768840).

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

22142432332440 is a wasteful number, since it uses less digits than its factorization.

22142432332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786679521 (or 8786679514 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 22142432332440 its reverse (4423323424122), we get a palindrome (26565755756562).

The spelling of 22142432332440 in words is "twenty-two trillion, one hundred forty-two billion, four hundred thirty-two million, three hundred thirty-two thousand, four hundred forty".