25214135444004 has 36 divisors (see below), whose sum is σ = 63706720919856. Its totient is φ = 7758195520608.

The previous prime is 25214135443921. The next prime is 25214135444021. The reversal of 25214135444004 is 40044453141252.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 11 ways as a sum of consecutive naturals, for example, 6216500794 + ... + 6216504849.

Almost surely, 2^{25214135444004} is an apocalyptic number.

It is an amenable number.

25214135444004 is an abundant number, since it is smaller than the sum of its proper divisors (38492585475852).

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

25214135444004 is a wasteful number, since it uses less digits than its factorization.

25214135444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433005676 (or 12433005661 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 25214135444004 its reverse (40044453141252), we get a palindrome (65258588585256).

The spelling of 25214135444004 in words is "twenty-five trillion, two hundred fourteen billion, one hundred thirty-five million, four hundred forty-four thousand, four".