25275002496 has 128 divisors (see below), whose sum is σ = 70427197440. Its totient is φ = 8015969280.

The previous prime is 25275002411. The next prime is 25275002497. The reversal of 25275002496 is 69420057252.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (25275002497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679421 + ... + 1694403.

It is an arithmetic number, because the mean of its divisors is an integer number (550212480).

Almost surely, 2^25275002496 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 25275002496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35213598720).

25275002496 is an abundant number, since it is smaller than the sum of its proper divisors (45152194944).

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

25275002496 is a wasteful number, since it uses less digits than its factorization.

25275002496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214 (or 15202 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 25275002496 in words is "twenty-five billion, two hundred seventy-five million, two thousand, four hundred ninety-six".