25340402014 has 16 divisors (see below), whose sum is σ = 39336275520. Its totient is φ = 12228642720.

The previous prime is 25340401981. The next prime is 25340402023. The reversal of 25340402014 is 41020404352.

It is a happy number.

It is a super-2 number, since 2×25340402014² (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 25340402014.

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, 73132 + ... + 236704.

It is an arithmetic number, because the mean of its divisors is an integer number (2458517220).

Almost surely, 2^25340402014 is an apocalyptic number.

25340402014 is a deficient number, since it is larger than the sum of its proper divisors (13995873506).

25340402014 is a wasteful number, since it uses less digits than its factorization.

25340402014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166275.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 25340402014 its reverse (41020404352), we get a palindrome (66360806366).

The spelling of 25340402014 in words is "twenty-five billion, three hundred forty million, four hundred two thousand, fourteen".