22505140200040 has 32 divisors (see below), whose sum is σ = 53301647844000. Its totient is φ = 8528263654464.

The previous prime is 22505140200031. The next prime is 22505140200071. The reversal of 22505140200040 is 4000204150522.

It is a junction number, because it is equal to n+sod(n) for n = 22505140199978 and 22505140200014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14806012530 + ... + 14806014049.

It is an arithmetic number, because the mean of its divisors is an integer number (1665676495125).

Almost surely, 2^{22505140200040} is an apocalyptic number.

22505140200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22505140200040 is an abundant number, since it is smaller than the sum of its proper divisors (30796507643960).

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

22505140200040 is a wasteful number, since it uses less digits than its factorization.

22505140200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29612026609 (or 29612026605 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22505140200040 its reverse (4000204150522), we get a palindrome (26505344350562).

The spelling of 22505140200040 in words is "twenty-two trillion, five hundred five billion, one hundred forty million, two hundred thousand, forty".