25890153320 has 64 divisors (see below), whose sum is σ = 60843553920. Its totient is φ = 9896350464.

The previous prime is 25890153299. The next prime is 25890153379. The reversal of 25890153320 is 2335109852.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992687 + ... + 1018433.

It is an arithmetic number, because the mean of its divisors is an integer number (950680530).

Almost surely, 2^25890153320 is an apocalyptic number.

25890153320 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 25890153320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30421776960).

25890153320 is an abundant number, since it is smaller than the sum of its proper divisors (34953400600).

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

25890153320 is a wasteful number, since it uses less digits than its factorization.

25890153320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26874 (or 26870 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 25890153320 in words is "twenty-five billion, eight hundred ninety million, one hundred fifty-three thousand, three hundred twenty".