25130423040000 has 480 divisors, whose sum is σ = 84099121666560. Its totient is φ = 6671167488000.

The previous prime is 25130423039977. The next prime is 25130423040007. The reversal of 25130423040000 is 4032403152.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130423040007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 856305327 + ... + 856334673.

It is an arithmetic number, because the mean of its divisors is an integer number (175206503472).

Almost surely, 2^{25130423040000} is an apocalyptic number.

25130423040000 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 25130423040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42049560833280).

25130423040000 is an abundant number, since it is smaller than the sum of its proper divisors (58968698626560).

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

25130423040000 is an equidigital number, since it uses as much as digits as its factorization.

25130423040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29615 (or 29580 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 25130423040000 its reverse (4032403152), we get a palindrome (25134455443152).

The spelling of 25130423040000 in words is "twenty-five trillion, one hundred thirty billion, four hundred twenty-three million, forty thousand".