25441798952448 has 480 divisors, whose sum is σ = 76355209266336. Its totient is φ = 8148652130304.

The previous prime is 25441798952443. The next prime is 25441798952467. The reversal of 25441798952448 is 84425989714452.

25441798952448 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 1 + 7 + 98 + 9 + 524 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25441798952443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5644949811 + ... + 5644954317.

Almost surely, 2^{25441798952448} 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 25441798952448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38177604633168).

25441798952448 is an abundant number, since it is smaller than the sum of its proper divisors (50913410313888).

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

25441798952448 is a wasteful number, since it uses less digits than its factorization.

25441798952448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974 (or 4955 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 72.

The spelling of 25441798952448 in words is "twenty-five trillion, four hundred forty-one billion, seven hundred ninety-eight million, nine hundred fifty-two thousand, four hundred forty-eight".