65822540080 has 40 divisors (see below), whose sum is σ = 166949899344. Its totient is φ = 23935468800.

The previous prime is 65822540071. The next prime is 65822540141. The reversal of 65822540080 is 8004522856.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37398291 + ... + 37400050.

Almost surely, 2^65822540080 is an apocalyptic number.

It is an amenable number.

65822540080 is an abundant number, since it is smaller than the sum of its proper divisors (101127359264).

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

65822540080 is a wasteful number, since it uses less digits than its factorization.

65822540080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74798365 (or 74798359 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 65822540080 in words is "sixty-five billion, eight hundred twenty-two million, five hundred forty thousand, eighty".