25428544110 has 32 divisors (see below), whose sum is σ = 67809451680. Its totient is φ = 6780945024.

The previous prime is 25428544081. The next prime is 25428544111. The reversal of 25428544110 is 1144582452.

It is a super-2 number, since 2×25428544110² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25428544111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47089627 + ... + 47090166.

It is an arithmetic number, because the mean of its divisors is an integer number (2119045365).

Almost surely, 2^25428544110 is an apocalyptic number.

25428544110 is an abundant number, since it is smaller than the sum of its proper divisors (42380907570).

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

25428544110 is a wasteful number, since it uses less digits than its factorization.

25428544110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94179809 (or 94179803 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The spelling of 25428544110 in words is "twenty-five billion, four hundred twenty-eight million, five hundred forty-four thousand, one hundred ten".