25471057248 has 576 divisors, whose sum is σ = 93201518592. Its totient is φ = 6418206720.

The previous prime is 25471057237. The next prime is 25471057273. The reversal of 25471057248 is 84275017452.

25471057248 is a `hidden beast` number, since 2 + 5 + 4 + 71 + 0 + 572 + 4 + 8 = 666.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 86931790 + ... + 86932082.

It is an arithmetic number, because the mean of its divisors is an integer number (161808192).

Almost surely, 2^25471057248 is an apocalyptic number.

25471057248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25471057248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46600759296).

25471057248 is an abundant number, since it is smaller than the sum of its proper divisors (67730461344).

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

25471057248 is a wasteful number, since it uses less digits than its factorization.

25471057248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 25471057248 in words is "twenty-five billion, four hundred seventy-one million, fifty-seven thousand, two hundred forty-eight".