25430418050 has 48 divisors (see below), whose sum is σ = 49615967232. Its totient is φ = 9678873600.

The previous prime is 25430418037. The next prime is 25430418071. The reversal of 25430418050 is 5081403452.

It is a junction number, because it is equal to n+sod(n) for n = 25430417998 and 25430418016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161762 + ... + 277538.

It is an arithmetic number, because the mean of its divisors is an integer number (1033665984).

Almost surely, 2^25430418050 is an apocalyptic number.

25430418050 is a deficient number, since it is larger than the sum of its proper divisors (24185549182).

25430418050 is a wasteful number, since it uses less digits than its factorization.

25430418050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116003 (or 115998 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 25430418050 in words is "twenty-five billion, four hundred thirty million, four hundred eighteen thousand, fifty".