25440333099 has 8 divisors (see below), whose sum is σ = 33990097920. Its totient is φ = 16925395176.

The previous prime is 25440333073. The next prime is 25440333103. The reversal of 25440333099 is 99033304452.

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

It is not a de Polignac number, because 25440333099 - 2¹⁵ = 25440300331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25440333099.

It is not an unprimeable number, because it can be changed into a prime (25440333019) 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, 8705019 + ... + 8707940.

It is an arithmetic number, because the mean of its divisors is an integer number (4248762240).

Almost surely, 2^25440333099 is an apocalyptic number.

25440333099 is a deficient number, since it is larger than the sum of its proper divisors (8549764821).

25440333099 is a wasteful number, since it uses less digits than its factorization.

25440333099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17413449.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 25440333099 in words is "twenty-five billion, four hundred forty million, three hundred thirty-three thousand, ninety-nine".