25040510413442 has 8 divisors (see below), whose sum is σ = 37561681479756. Its totient is φ = 12519949920192.

The previous prime is 25040510413417. The next prime is 25040510413453. The reversal of 25040510413442 is 24431401504052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23117354418601 + 1923155994841 = 4808051^2 + 1386779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152540723 + ... + 152704790.

Almost surely, 2^{25040510413442} is an apocalyptic number.

25040510413442 is a deficient number, since it is larger than the sum of its proper divisors (12521171066314).

25040510413442 is a wasteful number, since it uses less digits than its factorization.

25040510413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305286532.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 25040510413442 its reverse (24431401504052), we get a palindrome (49471911917494).

The spelling of 25040510413442 in words is "twenty-five trillion, forty billion, five hundred ten million, four hundred thirteen thousand, four hundred forty-two".