25063557444220 has 12 divisors (see below), whose sum is σ = 52633470632904. Its totient is φ = 10025422977680.

The previous prime is 25063557444187. The next prime is 25063557444221. The reversal of 25063557444220 is 2244475536052.

It is a super-2 number, since 2×25063557444220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25063557444221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626588936086 + ... + 626588936125.

It is an arithmetic number, because the mean of its divisors is an integer number (4386122552742).

Almost surely, 2^{25063557444220} is an apocalyptic number.

25063557444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25063557444220 is an abundant number, since it is smaller than the sum of its proper divisors (27569913188684).

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

25063557444220 is a wasteful number, since it uses less digits than its factorization.

25063557444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253177872220 (or 1253177872218 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 49.

The spelling of 25063557444220 in words is "twenty-five trillion, sixty-three billion, five hundred fifty-seven million, four hundred forty-four thousand, two hundred twenty".