25048308450 has 192 divisors, whose sum is σ = 71006883840. Its totient is φ = 5787936000.

The previous prime is 25048308431. The next prime is 25048308547. The reversal of 25048308450 is 5480384052.

It is a junction number, because it is equal to n+sod(n) for n = 25048308399 and 25048308408.

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, 3423396 + ... + 3430704.

It is an arithmetic number, because the mean of its divisors is an integer number (369827520).

Almost surely, 2^25048308450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25048308450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35503441920).

25048308450 is an abundant number, since it is smaller than the sum of its proper divisors (45958575390).

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

25048308450 is a wasteful number, since it uses less digits than its factorization.

25048308450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433 (or 7428 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 25048308450 in words is "twenty-five billion, forty-eight million, three hundred eight thousand, four hundred fifty".