25553441150440 has 64 divisors (see below), whose sum is σ = 67828488975360. Its totient is φ = 8478561116160.

The previous prime is 25553441150407. The next prime is 25553441150467. The reversal of 25553441150440 is 4405114435552.

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, 1471963737 + ... + 1471981096.

It is an arithmetic number, because the mean of its divisors is an integer number (1059820140240).

Almost surely, 2^{25553441150440} is an apocalyptic number.

25553441150440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25553441150440 is an abundant number, since it is smaller than the sum of its proper divisors (42275047824920).

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

25553441150440 is a wasteful number, since it uses less digits than its factorization.

25553441150440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943944882 (or 2943944878 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 25553441150440 its reverse (4405114435552), we get a palindrome (29958555585992).

The spelling of 25553441150440 in words is "twenty-five trillion, five hundred fifty-three billion, four hundred forty-one million, one hundred fifty thousand, four hundred forty".