25859235242 has 8 divisors (see below), whose sum is σ = 38789821632. Its totient is φ = 12929294700.

The previous prime is 25859235203. The next prime is 25859235299. The reversal of 25859235242 is 24253295852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44384 + ... + 231707.

It is an arithmetic number, because the mean of its divisors is an integer number (4848727704).

Almost surely, 2^25859235242 is an apocalyptic number.

25859235242 is a deficient number, since it is larger than the sum of its proper divisors (12930586390).

25859235242 is a wasteful number, since it uses less digits than its factorization.

25859235242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322924.

The product of its digits is 1728000, while the sum is 47.

The spelling of 25859235242 in words is "twenty-five billion, eight hundred fifty-nine million, two hundred thirty-five thousand, two hundred forty-two".