22024543405440 has 128 divisors (see below), whose sum is σ = 70220750623200. Its totient is φ = 5871745974272.

The previous prime is 22024543405439. The next prime is 22024543405463. The reversal of 22024543405440 is 4450434542022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×22024543405440² (a number of 27 digits) contains 22 as substring.

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, 6275716 + ... + 9134204.

Almost surely, 2^{22024543405440} is an apocalyptic number.

22024543405440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22024543405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35110375311600).

22024543405440 is an abundant number, since it is smaller than the sum of its proper divisors (48196207217760).

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

22024543405440 is a wasteful number, since it uses less digits than its factorization.

22024543405440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862524 (or 2862512 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 22024543405440 its reverse (4450434542022), we get a palindrome (26474977947462).

The spelling of 22024543405440 in words is "twenty-two trillion, twenty-four billion, five hundred forty-three million, four hundred five thousand, four hundred forty".