65532112036240 has 320 divisors, whose sum is σ = 158536504800000. Its totient is φ = 25177438420992.

The previous prime is 65532112036213. The next prime is 65532112036253. The reversal of 65532112036240 is 4263021123556.

It is a super-2 number, since 2×65532112036240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 65532112036193 and 65532112036202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52467663136 + ... + 52467664384.

It is an arithmetic number, because the mean of its divisors is an integer number (495426577500).

Almost surely, 2^{65532112036240} 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 65532112036240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79268252400000).

65532112036240 is an abundant number, since it is smaller than the sum of its proper divisors (93004392763760).

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

65532112036240 is a wasteful number, since it uses less digits than its factorization.

65532112036240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 65532112036240 its reverse (4263021123556), we get a palindrome (69795133159796).

The spelling of 65532112036240 in words is "sixty-five trillion, five hundred thirty-two billion, one hundred twelve million, thirty-six thousand, two hundred forty".