25193382828 has 24 divisors (see below), whose sum is σ = 58791983040. Its totient is φ = 8396733840.

The previous prime is 25193382821. The next prime is 25193382857. The reversal of 25193382828 is 82828339152.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25193382821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30418 + ... + 226521.

It is an arithmetic number, because the mean of its divisors is an integer number (2449665960).

Almost surely, 2^25193382828 is an apocalyptic number.

It is an amenable number.

25193382828 is an abundant number, since it is smaller than the sum of its proper divisors (33598600212).

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

25193382828 is a wasteful number, since it uses less digits than its factorization.

25193382828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265117 (or 265115 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 25193382828 in words is "twenty-five billion, one hundred ninety-three million, three hundred eighty-two thousand, eight hundred twenty-eight".