25728482450 has 96 divisors (see below), whose sum is σ = 54543741120. Its totient is φ = 8943200000.

The previous prime is 25728482441. The next prime is 25728482459. The reversal of 25728482450 is 5428482752.

It is an interprime number because it is at equal distance from previous prime (25728482441) and next prime (25728482459).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25728482395 and 25728482404.

It is not an unprimeable number, because it can be changed into a prime (25728482459) 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, 1602965 + ... + 1618935.

It is an arithmetic number, because the mean of its divisors is an integer number (568163970).

Almost surely, 2^25728482450 is an apocalyptic number.

25728482450 is an abundant number, since it is smaller than the sum of its proper divisors (28815258670).

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

25728482450 is a wasteful number, since it uses less digits than its factorization.

25728482450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124 (or 16119 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 47.

The spelling of 25728482450 in words is "twenty-five billion, seven hundred twenty-eight million, four hundred eighty-two thousand, four hundred fifty".