25849488 has 80 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 7306368.

The previous prime is 25849457. The next prime is 25849507. The reversal of 25849488 is 88494852.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35593 + ... + 36311.

It is an arithmetic number, because the mean of its divisors is an integer number (964224).

Almost surely, 2^25849488 is an apocalyptic number.

25849488 is a gapful number since it is divisible by the number (28) 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 25849488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

25849488 is an abundant number, since it is smaller than the sum of its proper divisors (51288432).

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

25849488 is a wasteful number, since it uses less digits than its factorization.

25849488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 25849488 is about 5084.2391761207. The cubic root of 25849488 is about 295.6768447945.

The spelling of 25849488 in words is "twenty-five million, eight hundred forty-nine thousand, four hundred eighty-eight".