65372550340 has 24 divisors (see below), whose sum is σ = 137289805632. Its totient is φ = 26147601120.

The previous prime is 65372550289. The next prime is 65372550343. The reversal of 65372550340 is 4305527356.

It is a junction number, because it is equal to n+sod(n) for n = 65372550293 and 65372550302.

It is not an unprimeable number, because it can be changed into a prime (65372550343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339495 + ... + 495985.

It is an arithmetic number, because the mean of its divisors is an integer number (5720408568).

Almost surely, 2^65372550340 is an apocalyptic number.

It is an amenable number.

65372550340 is an abundant number, since it is smaller than the sum of its proper divisors (71917255292).

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

65372550340 is a wasteful number, since it uses less digits than its factorization.

65372550340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177387 (or 177385 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 65372550340 in words is "sixty-five billion, three hundred seventy-two million, five hundred fifty thousand, three hundred forty".