22153505143040 has 72 divisors (see below), whose sum is σ = 53534166082488. Its totient is φ = 8782982512640.

The previous prime is 22153505143037. The next prime is 22153505143061. The reversal of 22153505143040 is 4034150535122.

It can be written as a sum of positive squares in 4 ways, for example, as 1062779551744 + 21090725591296 = 1030912^2 + 4592464^2 .

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, 76436891 + ... + 76726170.

It is an arithmetic number, because the mean of its divisors is an integer number (743530084479).

Almost surely, 2^{22153505143040} is an apocalyptic number.

22153505143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22153505143040 is an abundant number, since it is smaller than the sum of its proper divisors (31380660939448).

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

22153505143040 is a wasteful number, since it uses less digits than its factorization.

22153505143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153163195 (or 153163181 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 22153505143040 its reverse (4034150535122), we get a palindrome (26187655678162).

The spelling of 22153505143040 in words is "twenty-two trillion, one hundred fifty-three billion, five hundred five million, one hundred forty-three thousand, forty".