25445345324 has 24 divisors (see below), whose sum is σ = 50992704000. Its totient is φ = 10883288016.

The previous prime is 25445345309. The next prime is 25445345353. The reversal of 25445345324 is 42354354452.

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, 896612 + ... + 924555.

It is an arithmetic number, because the mean of its divisors is an integer number (2124696000).

Almost surely, 2^25445345324 is an apocalyptic number.

It is an amenable number.

25445345324 is an abundant number, since it is smaller than the sum of its proper divisors (25547358676).

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

25445345324 is a wasteful number, since it uses less digits than its factorization.

25445345324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821677 (or 1821675 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 41.

Adding to 25445345324 its reverse (42354354452), we get a palindrome (67799699776).

The spelling of 25445345324 in words is "twenty-five billion, four hundred forty-five million, three hundred forty-five thousand, three hundred twenty-four".