22004140140 has 72 divisors (see below), whose sum is σ = 66784798080. Its totient is φ = 5864350464.

The previous prime is 22004140117. The next prime is 22004140199. The reversal of 22004140140 is 4104140022.

22004140140 is a `hidden beast` number, since 220 + 0 + 4 + 1 + 401 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 281872 + ... + 351368.

It is an arithmetic number, because the mean of its divisors is an integer number (927566640).

Almost surely, 2^22004140140 is an apocalyptic number.

22004140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004140140 is an abundant number, since it is smaller than the sum of its proper divisors (44780657940).

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

22004140140 is a wasteful number, since it uses less digits than its factorization.

22004140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71271 (or 71266 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22004140140 its reverse (4104140022), we get a palindrome (26108280162).

The spelling of 22004140140 in words is "twenty-two billion, four million, one hundred forty thousand, one hundred forty".