22535241330440 has 32 divisors (see below), whose sum is σ = 50711242299480. Its totient is φ = 9012861100032.

The previous prime is 22535241330419. The next prime is 22535241330473. The reversal of 22535241330440 is 4403314253522.

It can be written as a sum of positive squares in 4 ways, for example, as 14369603607076 + 8165637723364 = 3790726^2 + 2857558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22535241330394 and 22535241330403.

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, 38311727 + ... + 38895486.

Almost surely, 2^{22535241330440} is an apocalyptic number.

22535241330440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22535241330440 is an abundant number, since it is smaller than the sum of its proper divisors (28176000969040).

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

22535241330440 is a wasteful number, since it uses less digits than its factorization.

22535241330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214521 (or 77214517 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 22535241330440 its reverse (4403314253522), we get a palindrome (26938555583962).

The spelling of 22535241330440 in words is "twenty-two trillion, five hundred thirty-five billion, two hundred forty-one million, three hundred thirty thousand, four hundred forty".