65460022144 has 32 divisors (see below), whose sum is σ = 142263971640. Its totient is φ = 29754554880.

The previous prime is 65460022079. The next prime is 65460022157. The reversal of 65460022144 is 44122006456.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23244339 + ... + 23247154.

Almost surely, 2^65460022144 is an apocalyptic number.

65460022144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65460022144 is an abundant number, since it is smaller than the sum of its proper divisors (76803949496).

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

65460022144 is a wasteful number, since it uses less digits than its factorization.

65460022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46491518 (or 46491506 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 65460022144 in words is "sixty-five billion, four hundred sixty million, twenty-two thousand, one hundred forty-four".