25405341334 has 16 divisors (see below), whose sum is σ = 40129705440. Its totient is φ = 12038906880.

The previous prime is 25405341329. The next prime is 25405341359. The reversal of 25405341334 is 43314350452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25405341334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528427 + ... + 2538454.

It is an arithmetic number, because the mean of its divisors is an integer number (2508106590).

Almost surely, 2^25405341334 is an apocalyptic number.

25405341334 is a deficient number, since it is larger than the sum of its proper divisors (14724364106).

25405341334 is a wasteful number, since it uses less digits than its factorization.

25405341334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067015.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 25405341334 its reverse (43314350452), we get a palindrome (68719691786).

The spelling of 25405341334 in words is "twenty-five billion, four hundred five million, three hundred forty-one thousand, three hundred thirty-four".