8425136455680 has 912 divisors, whose sum is σ = 31844772950400. Its totient is φ = 1896194506752.

The previous prime is 8425136455661. The next prime is 8425136455699. The reversal of 8425136455680 is 865546315248.

It is an interprime number because it is at equal distance from previous prime (8425136455661) and next prime (8425136455699).

It is a self number, because there is not a number n which added to its sum of digits gives 8425136455680.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14065336021 + ... + 14065336619.

It is an arithmetic number, because the mean of its divisors is an integer number (34917514200).

Almost surely, 2^{8425136455680} is an apocalyptic number.

8425136455680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8425136455680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15922386475200).

8425136455680 is an abundant number, since it is smaller than the sum of its proper divisors (23419636494720).

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

8425136455680 is an frugal number, since it uses more digits than its factorization.

8425136455680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 57.

The spelling of 8425136455680 in words is "eight trillion, four hundred twenty-five billion, one hundred thirty-six million, four hundred fifty-five thousand, six hundred eighty".