25180227140 has 24 divisors (see below), whose sum is σ = 53173895040. Its totient is φ = 10015820768.

The previous prime is 25180227113. The next prime is 25180227157. The reversal of 25180227140 is 4172208152.

It is a junction number, because it is equal to n+sod(n) for n = 25180227097 and 25180227106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513212 + ... + 3520371.

It is an arithmetic number, because the mean of its divisors is an integer number (2215578960).

Almost surely, 2^25180227140 is an apocalyptic number.

25180227140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25180227140 is an abundant number, since it is smaller than the sum of its proper divisors (27993667900).

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

25180227140 is a wasteful number, since it uses less digits than its factorization.

25180227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033771 (or 7033769 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 25180227140 in words is "twenty-five billion, one hundred eighty million, two hundred twenty-seven thousand, one hundred forty".