22441230135440 has 40 divisors (see below), whose sum is σ = 52342556161848. Its totient is φ = 8947813155840.

The previous prime is 22441230135433. The next prime is 22441230135479. The reversal of 22441230135440 is 4453103214422.

It can be written as a sum of positive squares in 4 ways, for example, as 3511456236544 + 18929773898896 = 1873888^2 + 4350836^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 22441230135440.

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, 448082591 + ... + 448132670.

Almost surely, 2^{22441230135440} is an apocalyptic number.

22441230135440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22441230135440 is an abundant number, since it is smaller than the sum of its proper divisors (29901326026408).

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

22441230135440 is a wasteful number, since it uses less digits than its factorization.

22441230135440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896215587 (or 896215581 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 22441230135440 its reverse (4453103214422), we get a palindrome (26894333349862).

The spelling of 22441230135440 in words is "twenty-two trillion, four hundred forty-one billion, two hundred thirty million, one hundred thirty-five thousand, four hundred forty".