25553520040140 has 36 divisors (see below), whose sum is σ = 77512344122304. Its totient is φ = 6814272010656.

The previous prime is 25553520040091. The next prime is 25553520040199. The reversal of 25553520040140 is 4104002535552.

25553520040140 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 3 + 5 + 200 + 401 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×25553520040140² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25553520040095 and 25553520040104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70981999932 + ... + 70982000291.

It is an arithmetic number, because the mean of its divisors is an integer number (2153120670064).

Almost surely, 2^{25553520040140} is an apocalyptic number.

25553520040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25553520040140 is an abundant number, since it is smaller than the sum of its proper divisors (51958824082164).

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

25553520040140 is a wasteful number, since it uses less digits than its factorization.

25553520040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141964000238 (or 141964000233 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 25553520040140 its reverse (4104002535552), we get a palindrome (29657522575692).

The spelling of 25553520040140 in words is "twenty-five trillion, five hundred fifty-three billion, five hundred twenty million, forty thousand, one hundred forty".