25522140441 has 24 divisors (see below), whose sum is σ = 39598574880. Its totient is φ = 14579212032.

The previous prime is 25522140377. The next prime is 25522140503. The reversal of 25522140441 is 14404122552.

It is not a de Polignac number, because 25522140441 - 2⁶ = 25522140377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25522140399 and 25522140408.

It is not an unprimeable number, because it can be changed into a prime (25522140641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438450 + ... + 493236.

It is an arithmetic number, because the mean of its divisors is an integer number (1649940620).

Almost surely, 2^25522140441 is an apocalyptic number.

25522140441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25522140441 is a deficient number, since it is larger than the sum of its proper divisors (14076434439).

25522140441 is a wasteful number, since it uses less digits than its factorization.

25522140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57973 (or 57966 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 25522140441 its reverse (14404122552), we get a palindrome (39926262993).

The spelling of 25522140441 in words is "twenty-five billion, five hundred twenty-two million, one hundred forty thousand, four hundred forty-one".