25040898 has 96 divisors (see below), whose sum is σ = 62337600. Its totient is φ = 7216128.

The previous prime is 25040863. The next prime is 25040903. The reversal of 25040898 is 89804052.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342990 + ... + 343062.

It is an arithmetic number, because the mean of its divisors is an integer number (649350).

Almost surely, 2^25040898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25040898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31168800).

25040898 is an abundant number, since it is smaller than the sum of its proper divisors (37296702).

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

25040898 is a wasteful number, since it uses less digits than its factorization.

25040898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25040898 is about 5004.0881287204. The cubic root of 25040898 is about 292.5611355884.

The spelling of 25040898 in words is "twenty-five million, forty thousand, eight hundred ninety-eight".