25340654012 has 48 divisors (see below), whose sum is σ = 46935383040. Its totient is φ = 11951779200.

The previous prime is 25340653993. The next prime is 25340654023. The reversal of 25340654012 is 21045604352.

It is a super-2 number, since 2×25340654012² (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 25340654012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10304039 + ... + 10306497.

It is an arithmetic number, because the mean of its divisors is an integer number (977820480).

Almost surely, 2^25340654012 is an apocalyptic number.

It is an amenable number.

25340654012 is a deficient number, since it is larger than the sum of its proper divisors (21594729028).

25340654012 is a wasteful number, since it uses less digits than its factorization.

25340654012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 25340654012 in words is "twenty-five billion, three hundred forty million, six hundred fifty-four thousand, twelve".