25769484 has 144 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 7188480.

The previous prime is 25769483. The next prime is 25769503. The reversal of 25769484 is 48496752.

It is a happy number.

Its product of digits (483840) is a multiple of the sum of its prime factors (160).

It is not an unprimeable number, because it can be changed into a prime (25769483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326157 + ... + 326235.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^25769484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25769484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38525760).

25769484 is an abundant number, since it is smaller than the sum of its proper divisors (51282036).

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

25769484 is a wasteful number, since it uses less digits than its factorization.

25769484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 25769484 is about 5076.3652350870. The cubic root of 25769484 is about 295.3714902396.

The spelling of 25769484 in words is "twenty-five million, seven hundred sixty-nine thousand, four hundred eighty-four".