65328613240 has 32 divisors (see below), whose sum is σ = 160352051760. Its totient is φ = 23755859200.

The previous prime is 65328613219. The next prime is 65328613261. The reversal of 65328613240 is 4231682356.

It is an interprime number because it is at equal distance from previous prime (65328613219) and next prime (65328613261).

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 = 65328613193 and 65328613202.

It is a congruent number.

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, 74236621 + ... + 74237500.

Almost surely, 2^65328613240 is an apocalyptic number.

It is an amenable number.

65328613240 is an abundant number, since it is smaller than the sum of its proper divisors (95023438520).

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

65328613240 is a wasteful number, since it uses less digits than its factorization.

65328613240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148474143 (or 148474139 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 65328613240 in words is "sixty-five billion, three hundred twenty-eight million, six hundred thirteen thousand, two hundred forty".