13404428025 has 24 divisors (see below), whose sum is σ = 22214932320. Its totient is φ = 7131949440.

The previous prime is 13404428017. The next prime is 13404428057. The reversal of 13404428025 is 52082440431.

It is not a de Polignac number, because 13404428025 - 2³ = 13404428017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181852 + ... + 244701.

It is an arithmetic number, because the mean of its divisors is an integer number (925622180).

Almost surely, 2^13404428025 is an apocalyptic number.

13404428025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13404428025 is a deficient number, since it is larger than the sum of its proper divisors (8810504295).

13404428025 is a wasteful number, since it uses less digits than its factorization.

13404428025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426985 (or 426980 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 13404428025 its reverse (52082440431), we get a palindrome (65486868456).

The spelling of 13404428025 in words is "thirteen billion, four hundred four million, four hundred twenty-eight thousand, twenty-five".