25226304500 has 36 divisors (see below), whose sum is σ = 55102006596. Its totient is φ = 10089101200.

The previous prime is 25226304463. The next prime is 25226304547. The reversal of 25226304500 is 540362252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 807241744 + 24419062756 = 28412^2 + 156266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3547949 + ... + 3555051.

Almost surely, 2^25226304500 is an apocalyptic number.

25226304500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25226304500 is an abundant number, since it is smaller than the sum of its proper divisors (29875702096).

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

25226304500 is an frugal number, since it uses more digits than its factorization.

25226304500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25226304500 its reverse (540362252), we get a palindrome (25766666752).

The spelling of 25226304500 in words is "twenty-five billion, two hundred twenty-six million, three hundred four thousand, five hundred".