25390827000 has 1536 divisors, whose sum is σ = 117747302400. Its totient is φ = 4961088000.

The previous prime is 25390826987. The next prime is 25390827019. The reversal of 25390827000 is 72809352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 383 ways as a sum of consecutive naturals, for example, 430352971 + ... + 430353029.

It is an arithmetic number, because the mean of its divisors is an integer number (76658400).

Almost surely, 2^25390827000 is an apocalyptic number.

25390827000 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 25390827000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58873651200).

25390827000 is an abundant number, since it is smaller than the sum of its proper divisors (92356475400).

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

25390827000 is a wasteful number, since it uses less digits than its factorization.

25390827000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 25390827000 in words is "twenty-five billion, three hundred ninety million, eight hundred twenty-seven thousand".