25495430490000 has 225 divisors, whose sum is σ = 89166500850999. Its totient is φ = 6798377520000.

The previous prime is 25495430489959. The next prime is 25495430490007. The reversal of 25495430490000 is 9403459452.

The square root of 25495430490000 is 5049300.

It is a perfect power (a square), and thus also a powerful number.

25495430490000 is a `hidden beast` number, since 25 + 49 + 543 + 0 + 49 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1998841750416 + 23496588739584 = 1413804^2 + 4847328^2 .

It is a tau number, because it is divible by the number of its divisors (225).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25495430490007) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1514781585 + ... + 1514798415.

Almost surely, 2^{25495430490000} is an apocalyptic number.

25495430490000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

25495430490000 is the 5049300-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25495430490000

25495430490000 is an abundant number, since it is smaller than the sum of its proper divisors (63671070360999).

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

25495430490000 is an frugal number, since it uses more digits than its factorization.

25495430490000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33696 (or 16841 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 25495430490000 in words is "twenty-five trillion, four hundred ninety-five billion, four hundred thirty million, four hundred ninety thousand".