25244335045 has 32 divisors (see below), whose sum is σ = 32626540800. Its totient is φ = 18683089920.

The previous prime is 25244334989. The next prime is 25244335063. The reversal of 25244335045 is 54053344252.

It is a de Polignac number, because none of the positive numbers 2^k-25244335045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25244334995 and 25244335013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394955 + ... + 1412935.

It is an arithmetic number, because the mean of its divisors is an integer number (1019579400).

Almost surely, 2^25244335045 is an apocalyptic number.

It is an amenable number.

25244335045 is a deficient number, since it is larger than the sum of its proper divisors (7382205755).

25244335045 is a wasteful number, since it uses less digits than its factorization.

25244335045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18285.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 25244335045 its reverse (54053344252), we get a palindrome (79297679297).

The spelling of 25244335045 in words is "twenty-five billion, two hundred forty-four million, three hundred thirty-five thousand, forty-five".