25234341228 has 36 divisors (see below), whose sum is σ = 63798903168. Its totient is φ = 8409852000.

The previous prime is 25234341193. The next prime is 25234341259. The reversal of 25234341228 is 82214343252.

25234341228 is a `hidden beast` number, since 2 + 5 + 234 + 3 + 412 + 2 + 8 = 666.

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

It is a super-2 number, since 2×25234341228² (a number of 22 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 = 25234341192 and 25234341201.

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, 134325 + ... + 261747.

Almost surely, 2^25234341228 is an apocalyptic number.

It is an amenable number.

25234341228 is an abundant number, since it is smaller than the sum of its proper divisors (38564561940).

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

25234341228 is a wasteful number, since it uses less digits than its factorization.

25234341228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132934 (or 132929 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 25234341228 in words is "twenty-five billion, two hundred thirty-four million, three hundred forty-one thousand, two hundred twenty-eight".