25554114540 has 36 divisors (see below), whose sum is σ = 77514147984. Its totient is φ = 6814430496.

The previous prime is 25554114503. The next prime is 25554114569. The reversal of 25554114540 is 4541145552.

25554114540 is a `hidden beast` number, since 2 + 55 + 54 + 1 + 14 + 540 = 666.

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

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 = 25554114495 and 25554114504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70983472 + ... + 70983831.

Almost surely, 2^25554114540 is an apocalyptic number.

25554114540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25554114540 is an abundant number, since it is smaller than the sum of its proper divisors (51960033444).

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

25554114540 is a wasteful number, since it uses less digits than its factorization.

25554114540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141967318 (or 141967313 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 25554114540 in words is "twenty-five billion, five hundred fifty-four million, one hundred fourteen thousand, five hundred forty".