25424030000 has 100 divisors (see below), whose sum is σ = 63540510528. Its totient is φ = 9841440000.

The previous prime is 25424029993. The next prime is 25424030033. The reversal of 25424030000 is 3042452.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 268994 + ... + 351006.

Almost surely, 2^25424030000 is an apocalyptic number.

25424030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25424030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31770255264).

25424030000 is an abundant number, since it is smaller than the sum of its proper divisors (38116480528).

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

25424030000 is an equidigital number, since it uses as much as digits as its factorization.

25424030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82072 (or 82051 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 25424030000 its reverse (3042452), we get a palindrome (25427072452).

The spelling of 25424030000 in words is "twenty-five billion, four hundred twenty-four million, thirty thousand".