25340760666336 has 48 divisors (see below), whose sum is σ = 66519767767824. Its totient is φ = 8446885807104.

The previous prime is 25340760666293. The next prime is 25340760666439. The reversal of 25340760666336 is 63366606704352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×25340760666336² (a number of 28 digits) contains 22 as substring.

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, 36037020 + ... + 36733476.

It is an arithmetic number, because the mean of its divisors is an integer number (1385828495163).

Almost surely, 2^{25340760666336} is an apocalyptic number.

It is an amenable number.

25340760666336 is an abundant number, since it is smaller than the sum of its proper divisors (41179007101488).

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

25340760666336 is a wasteful number, since it uses less digits than its factorization.

25340760666336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075483 (or 1075475 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 57.

The spelling of 25340760666336 in words is "twenty-five trillion, three hundred forty billion, seven hundred sixty million, six hundred sixty-six thousand, three hundred thirty-six".