22061440261340 has 12 divisors (see below), whose sum is σ = 46329024548856. Its totient is φ = 8824576104528.

The previous prime is 22061440261337. The next prime is 22061440261387. The reversal of 22061440261340 is 4316204416022.

It is a self number, because there is not a number n which added to its sum of digits gives 22061440261340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551536006514 + ... + 551536006553.

It is an arithmetic number, because the mean of its divisors is an integer number (3860752045738).

Almost surely, 2^{22061440261340} is an apocalyptic number.

22061440261340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22061440261340 is an abundant number, since it is smaller than the sum of its proper divisors (24267584287516).

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

22061440261340 is a wasteful number, since it uses less digits than its factorization.

22061440261340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103072013076 (or 1103072013074 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 22061440261340 its reverse (4316204416022), we get a palindrome (26377644677362).

The spelling of 22061440261340 in words is "twenty-two trillion, sixty-one billion, four hundred forty million, two hundred sixty-one thousand, three hundred forty".