25433792384 has 128 divisors (see below), whose sum is σ = 68031290880. Its totient is φ = 9146972160.

The previous prime is 25433792383. The next prime is 25433792387. The reversal of 25433792384 is 48329733452.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25433792383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28877 + ... + 227379.

It is an arithmetic number, because the mean of its divisors is an integer number (531494460).

Almost surely, 2^25433792384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25433792384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34015645440).

25433792384 is an abundant number, since it is smaller than the sum of its proper divisors (42597498496).

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

25433792384 is a wasteful number, since it uses less digits than its factorization.

25433792384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198548 (or 198536 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 25433792384 in words is "twenty-five billion, four hundred thirty-three million, seven hundred ninety-two thousand, three hundred eighty-four".