65802311442 has 64 divisors (see below), whose sum is σ = 168040454400. Its totient is φ = 18696769920.

The previous prime is 65802311387. The next prime is 65802311453. The reversal of 65802311442 is 24411320856.

It is a happy number.

65802311442 is a `hidden beast` number, since 6 + 580 + 2 + 31 + 1 + 4 + 42 = 666.

It is a super-2 number, since 2×65802311442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65802311397 and 65802311406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412467 + ... + 549302.

It is an arithmetic number, because the mean of its divisors is an integer number (2625632100).

Almost surely, 2^65802311442 is an apocalyptic number.

65802311442 is an abundant number, since it is smaller than the sum of its proper divisors (102238142958).

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

65802311442 is a wasteful number, since it uses less digits than its factorization.

65802311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961968 (or 961962 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 65802311442 in words is "sixty-five billion, eight hundred two million, three hundred eleven thousand, four hundred forty-two".