25535952730 has 16 divisors (see below), whose sum is σ = 45993134880. Its totient is φ = 10208065552.

The previous prime is 25535952691. The next prime is 25535952751. The reversal of 25535952730 is 3725953552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772444 + ... + 804823.

It is an arithmetic number, because the mean of its divisors is an integer number (2874570930).

Almost surely, 2^25535952730 is an apocalyptic number.

25535952730 is a deficient number, since it is larger than the sum of its proper divisors (20457182150).

25535952730 is a wasteful number, since it uses less digits than its factorization.

25535952730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578893.

The product of its (nonzero) digits is 1417500, while the sum is 46.

The spelling of 25535952730 in words is "twenty-five billion, five hundred thirty-five million, nine hundred fifty-two thousand, seven hundred thirty".