25445345214 has 16 divisors (see below), whose sum is σ = 50968631952. Its totient is φ = 8468791488.

The previous prime is 25445345203. The next prime is 25445345309. The reversal of 25445345214 is 41254354452.

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, 3243319 + ... + 3251154.

It is an arithmetic number, because the mean of its divisors is an integer number (3185539497).

Almost surely, 2^25445345214 is an apocalyptic number.

25445345214 is an abundant number, since it is smaller than the sum of its proper divisors (25523286738).

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

25445345214 is a wasteful number, since it uses less digits than its factorization.

25445345214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495131.

The product of its digits is 384000, while the sum is 39.

Adding to 25445345214 its reverse (41254354452), we get a palindrome (66699699666).

The spelling of 25445345214 in words is "twenty-five billion, four hundred forty-five million, three hundred forty-five thousand, two hundred fourteen".