25244214042 has 16 divisors (see below), whose sum is σ = 50490565632. Its totient is φ = 8414381760.

The previous prime is 25244214019. The next prime is 25244214043. The reversal of 25244214042 is 24041244252.

It is not an unprimeable number, because it can be changed into a prime (25244214043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93138 + ... + 243234.

It is an arithmetic number, because the mean of its divisors is an integer number (3155660352).

Almost surely, 2^25244214042 is an apocalyptic number.

25244214042 is an abundant number, since it is smaller than the sum of its proper divisors (25246351590).

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

25244214042 is a wasteful number, since it uses less digits than its factorization.

25244214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178133.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 25244214042 its reverse (24041244252), we get a palindrome (49285458294).

The spelling of 25244214042 in words is "twenty-five billion, two hundred forty-four million, two hundred fourteen thousand, forty-two".