25441340502 has 16 divisors (see below), whose sum is σ = 50884312752. Its totient is φ = 8480174880.

The previous prime is 25441340473. The next prime is 25441340521. The reversal of 25441340502 is 20504314452.

It is a super-2 number, since 2×25441340502² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25441340502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246852 + ... + 334392.

It is an arithmetic number, because the mean of its divisors is an integer number (3180269547).

Almost surely, 2^25441340502 is an apocalyptic number.

25441340502 is an abundant number, since it is smaller than the sum of its proper divisors (25442972250).

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

25441340502 is a wasteful number, since it uses less digits than its factorization.

25441340502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135983.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25441340502 its reverse (20504314452), we get a palindrome (45945654954).

The spelling of 25441340502 in words is "twenty-five billion, four hundred forty-one million, three hundred forty thousand, five hundred two".