25250370549228 has 288 divisors, whose sum is σ = 76069113120000. Its totient is φ = 6976131402240.

The previous prime is 25250370549167. The next prime is 25250370549251. The reversal of 25250370549228 is 82294507305252.

It is a happy number.

25250370549228 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 0 + 3 + 70 + 549 + 2 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66797698 + ... + 67174646.

It is an arithmetic number, because the mean of its divisors is an integer number (264128865000).

Almost surely, 2^{25250370549228} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25250370549228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38034556560000).

25250370549228 is an abundant number, since it is smaller than the sum of its proper divisors (50818742570772).

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

25250370549228 is a wasteful number, since it uses less digits than its factorization.

25250370549228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377325 (or 377320 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 25250370549228 in words is "twenty-five trillion, two hundred fifty billion, three hundred seventy million, five hundred forty-nine thousand, two hundred twenty-eight".