65454040170048 has 224 divisors, whose sum is σ = 180875348736768. Its totient is φ = 20868948172800.

The previous prime is 65454040170031. The next prime is 65454040170061. The reversal of 65454040170048 is 84007104045456.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 65454040169979 and 65454040170006.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813346453 + ... + 813426923.

It is an arithmetic number, because the mean of its divisors is an integer number (807479235432).

Almost surely, 2^{65454040170048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65454040170048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90437674368384).

65454040170048 is an abundant number, since it is smaller than the sum of its proper divisors (115421308566720).

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

65454040170048 is a wasteful number, since it uses less digits than its factorization.

65454040170048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82461 (or 82451 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 65454040170048 in words is "sixty-five trillion, four hundred fifty-four billion, forty million, one hundred seventy thousand, forty-eight".