22000004240240 has 80 divisors (see below), whose sum is σ = 55090243436256. Its totient is φ = 8122250112000.

The previous prime is 22000004240131. The next prime is 22000004240297. The reversal of 22000004240240 is 4204240000022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9171350 + ... + 11318730.

Almost surely, 2^{22000004240240} is an apocalyptic number.

22000004240240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000004240240 is an abundant number, since it is smaller than the sum of its proper divisors (33090239196016).

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

22000004240240 is a wasteful number, since it uses less digits than its factorization.

22000004240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157258 (or 2157252 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22000004240240 its reverse (4204240000022), we get a palindrome (26204244240262).

The spelling of 22000004240240 in words is "twenty-two trillion, four million, two hundred forty thousand, two hundred forty".