65092073855640 has 256 divisors, whose sum is σ = 222680464312320. Its totient is φ = 15079304355840.

The previous prime is 65092073855587. The next prime is 65092073855671. The reversal of 65092073855640 is 4655837029056.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 553864485 + ... + 553981995.

It is an arithmetic number, because the mean of its divisors is an integer number (869845563720).

Almost surely, 2^{65092073855640} is an apocalyptic number.

65092073855640 is a gapful number since it is divisible by the number (60) 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 65092073855640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111340232156160).

65092073855640 is an abundant number, since it is smaller than the sum of its proper divisors (157588390456680).

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

65092073855640 is a wasteful number, since it uses less digits than its factorization.

65092073855640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138442 (or 138438 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 60.

The spelling of 65092073855640 in words is "sixty-five trillion, ninety-two billion, seventy-three million, eight hundred fifty-five thousand, six hundred forty".