25280288934 has 32 divisors (see below), whose sum is σ = 50674714080. Its totient is φ = 8407763712.

The previous prime is 25280288909. The next prime is 25280288939. The reversal of 25280288934 is 43988208252.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25280288939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7285752 + ... + 7289220.

It is an arithmetic number, because the mean of its divisors is an integer number (1583584815).

Almost surely, 2^25280288934 is an apocalyptic number.

25280288934 is an abundant number, since it is smaller than the sum of its proper divisors (25394425146).

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

25280288934 is a wasteful number, since it uses less digits than its factorization.

25280288934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 25280288934 in words is "twenty-five billion, two hundred eighty million, two hundred eighty-eight thousand, nine hundred thirty-four".