25444606712 has 24 divisors (see below), whose sum is σ = 55497803760. Its totient is φ = 10904831280.

The previous prime is 25444606711. The next prime is 25444606783. The reversal of 25444606712 is 21760644452.

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 25444606712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25444606711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32454464 + ... + 32455247.

It is an arithmetic number, because the mean of its divisors is an integer number (2312408490).

Almost surely, 2^25444606712 is an apocalyptic number.

It is an amenable number.

25444606712 is an abundant number, since it is smaller than the sum of its proper divisors (30053197048).

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

25444606712 is a wasteful number, since it uses less digits than its factorization.

25444606712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64909731 (or 64909720 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 25444606712 in words is "twenty-five billion, four hundred forty-four million, six hundred six thousand, seven hundred twelve".