25276940 has 48 divisors (see below), whose sum is σ = 57576960. Its totient is φ = 9265920.

The previous prime is 25276913. The next prime is 25276961. The reversal of 25276940 is 4967252.

It is a self number, because there is not a number n which added to its sum of digits gives 25276940.

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, 49406 + ... + 49914.

It is an arithmetic number, because the mean of its divisors is an integer number (1199520).

Almost surely, 2^25276940 is an apocalyptic number.

25276940 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 25276940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28788480).

25276940 is an abundant number, since it is smaller than the sum of its proper divisors (32300020).

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

25276940 is a wasteful number, since it uses less digits than its factorization.

25276940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 25276940 is about 5027.6177261204. The cubic root of 25276940 is about 293.4775146336.

The spelling of 25276940 in words is "twenty-five million, two hundred seventy-six thousand, nine hundred forty".