25030682040 has 512 divisors, whose sum is σ = 97298288640. Its totient is φ = 5009817600.

The previous prime is 25030681997. The next prime is 25030682059. The reversal of 25030682040 is 4028603052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25030681989 and 25030682007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16564885 + ... + 16566395.

It is an arithmetic number, because the mean of its divisors is an integer number (190035720).

Almost surely, 2^25030682040 is an apocalyptic number.

25030682040 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 25030682040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48649144320).

25030682040 is an abundant number, since it is smaller than the sum of its proper divisors (72267606600).

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

25030682040 is a wasteful number, since it uses less digits than its factorization.

25030682040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 25030682040 in words is "twenty-five billion, thirty million, six hundred eighty-two thousand, forty".