25210505330 has 32 divisors (see below), whose sum is σ = 46958097600. Its totient is φ = 9733484992.

The previous prime is 25210505323. The next prime is 25210505363. The reversal of 25210505330 is 3350501252.

It is a self number, because there is not a number n which added to its sum of digits gives 25210505330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091441 + ... + 1114299.

It is an arithmetic number, because the mean of its divisors is an integer number (1467440550).

Almost surely, 2^25210505330 is an apocalyptic number.

25210505330 is a deficient number, since it is larger than the sum of its proper divisors (21747592270).

25210505330 is a wasteful number, since it uses less digits than its factorization.

25210505330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26698.

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 25210505330 in words is "twenty-five billion, two hundred ten million, five hundred five thousand, three hundred thirty".