25225341140 has 12 divisors (see below), whose sum is σ = 52973216436. Its totient is φ = 10090136448.

The previous prime is 25225341139. The next prime is 25225341161. The reversal of 25225341140 is 4114352252.

It can be written as a sum of positive squares in 2 ways, for example, as 9907813444 + 15317527696 = 99538^2 + 123764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630633509 + ... + 630633548.

It is an arithmetic number, because the mean of its divisors is an integer number (4414434703).

Almost surely, 2^25225341140 is an apocalyptic number.

25225341140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25225341140 is an abundant number, since it is smaller than the sum of its proper divisors (27747875296).

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

25225341140 is a wasteful number, since it uses less digits than its factorization.

25225341140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261267066 (or 1261267064 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 25225341140 its reverse (4114352252), we get a palindrome (29339693392).

The spelling of 25225341140 in words is "twenty-five billion, two hundred twenty-five million, three hundred forty-one thousand, one hundred forty".