22515203352040 has 128 divisors (see below), whose sum is σ = 60451696800000. Its totient is φ = 7539974878464.

The previous prime is 22515203351969. The next prime is 22515203352043. The reversal of 22515203352040 is 4025330251522.

It is a junction number, because it is equal to n+sod(n) for n = 22515203351987 and 22515203352005.

It is not an unprimeable number, because it can be changed into a prime (22515203352043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18492015 + ... + 19671934.

It is an arithmetic number, because the mean of its divisors is an integer number (472278881250).

Almost surely, 2^{22515203352040} is an apocalyptic number.

22515203352040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22515203352040 is an abundant number, since it is smaller than the sum of its proper divisors (37936493447960).

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

22515203352040 is a wasteful number, since it uses less digits than its factorization.

22515203352040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38164024 (or 38164006 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 22515203352040 in words is "twenty-two trillion, five hundred fifteen billion, two hundred three million, three hundred fifty-two thousand, forty".