25023040102 has 16 divisors (see below), whose sum is σ = 38751565824. Its totient is φ = 12105981000.

The previous prime is 25023040073. The next prime is 25023040103. The reversal of 25023040102 is 20104032052.

It is a self number, because there is not a number n which added to its sum of digits gives 25023040102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25023040103) 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, 404577 + ... + 462307.

It is an arithmetic number, because the mean of its divisors is an integer number (2421972864).

Almost surely, 2^25023040102 is an apocalyptic number.

25023040102 is a deficient number, since it is larger than the sum of its proper divisors (13728525722).

25023040102 is a wasteful number, since it uses less digits than its factorization.

25023040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64755.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 25023040102 its reverse (20104032052), we get a palindrome (45127072154).

The spelling of 25023040102 in words is "twenty-five billion, twenty-three million, forty thousand, one hundred two".