25410420550 has 12 divisors (see below), whose sum is σ = 47263382316. Its totient is φ = 10164168200.

The previous prime is 25410420533. The next prime is 25410420589. The reversal of 25410420550 is 5502401452.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 254104156 + ... + 254104255.

It is an arithmetic number, because the mean of its divisors is an integer number (3938615193).

Almost surely, 2^25410420550 is an apocalyptic number.

25410420550 is a deficient number, since it is larger than the sum of its proper divisors (21852961766).

25410420550 is a wasteful number, since it uses less digits than its factorization.

25410420550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508208423 (or 508208418 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 25410420550 in words is "twenty-five billion, four hundred ten million, four hundred twenty thousand, five hundred fifty".