25490589120 has 168 divisors, whose sum is σ = 89542949184. Its totient is φ = 6652827648.

The previous prime is 25490589119. The next prime is 25490589121. The reversal of 25490589120 is 2198509452.

It is a happy number.

25490589120 is a `hidden beast` number, since 2 + 5 + 49 + 0 + 589 + 1 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (25490589119) and next prime (25490589121).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25490589121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41202 + ... + 229518.

Almost surely, 2^25490589120 is an apocalyptic number.

25490589120 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 25490589120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44771474592).

25490589120 is an abundant number, since it is smaller than the sum of its proper divisors (64052360064).

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

25490589120 is a wasteful number, since it uses less digits than its factorization.

25490589120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188387 (or 188374 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 25490589120 in words is "twenty-five billion, four hundred ninety million, five hundred eighty-nine thousand, one hundred twenty".