25550041422 has 16 divisors (see below), whose sum is σ = 52346426832. Its totient is φ = 8308956480.

The previous prime is 25550041417. The next prime is 25550041493. The reversal of 25550041422 is 22414005552.

It is a self number, because there is not a number n which added to its sum of digits gives 25550041422.

It is a congruent number.

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, 51930733 + ... + 51931224.

It is an arithmetic number, because the mean of its divisors is an integer number (3271651677).

Almost surely, 2^25550041422 is an apocalyptic number.

25550041422 is an abundant number, since it is smaller than the sum of its proper divisors (26796385410).

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

25550041422 is a wasteful number, since it uses less digits than its factorization.

25550041422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103862003.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 25550041422 its reverse (22414005552), we get a palindrome (47964046974).

The spelling of 25550041422 in words is "twenty-five billion, five hundred fifty million, forty-one thousand, four hundred twenty-two".