22450320420240 has 80 divisors (see below), whose sum is σ = 71076759153408. Its totient is φ = 5859374404608.

The previous prime is 22450320420181. The next prime is 22450320420323. The reversal of 22450320420240 is 4202402305422.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 22450320420198 and 22450320420207.

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, 995127037 + ... + 995149596.

Almost surely, 2^{22450320420240} is an apocalyptic number.

22450320420240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22450320420240 is an abundant number, since it is smaller than the sum of its proper divisors (48626438733168).

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

22450320420240 is a wasteful number, since it uses less digits than its factorization.

22450320420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990276696 (or 1990276690 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22450320420240 its reverse (4202402305422), we get a palindrome (26652722725662).

The spelling of 22450320420240 in words is "twenty-two trillion, four hundred fifty billion, three hundred twenty million, four hundred twenty thousand, two hundred forty".