25145625627840 has 112 divisors (see below), whose sum is σ = 79891640064000. Its totient is φ = 6700941327360.

The previous prime is 25145625627739. The next prime is 25145625627841. The reversal of 25145625627840 is 4872652654152.

25145625627840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (25145625627841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7491090 + ... + 10315409.

Almost surely, 2^{25145625627840} is an apocalyptic number.

25145625627840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25145625627840 is an abundant number, since it is smaller than the sum of its proper divisors (54746014436160).

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

25145625627840 is a wasteful number, since it uses less digits than its factorization.

25145625627840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17807990 (or 17807980 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 57.

The spelling of 25145625627840 in words is "twenty-five trillion, one hundred forty-five billion, six hundred twenty-five million, six hundred twenty-seven thousand, eight hundred forty".