25045322412 has 24 divisors (see below), whose sum is σ = 63751730112. Its totient is φ = 7589491600.

The previous prime is 25045322399. The next prime is 25045322441. The reversal of 25045322412 is 21422354052.

It is a self number, because there is not a number n which added to its sum of digits gives 25045322412.

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 7 ways as a sum of consecutive naturals, for example, 94868514 + ... + 94868777.

It is an arithmetic number, because the mean of its divisors is an integer number (2656322088).

Almost surely, 2^25045322412 is an apocalyptic number.

25045322412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25045322412 is an abundant number, since it is smaller than the sum of its proper divisors (38706407700).

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

25045322412 is a wasteful number, since it uses less digits than its factorization.

25045322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189737309 (or 189737307 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25045322412 its reverse (21422354052), we get a palindrome (46467676464).

The spelling of 25045322412 in words is "twenty-five billion, forty-five million, three hundred twenty-two thousand, four hundred twelve".