65895040 has 64 divisors (see below), whose sum is σ = 165852000. Its totient is φ = 24966144.

The previous prime is 65895031. The next prime is 65895061. The reversal of 65895040 is 4059856.

It is a tau number, because it is divible by the number of its divisors (64).

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, 9451 + ... + 14869.

Almost surely, 2^65895040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65895040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82926000).

65895040 is an abundant number, since it is smaller than the sum of its proper divisors (99956960).

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

65895040 is a wasteful number, since it uses less digits than its factorization.

65895040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 65895040 is about 8117.5759928688. The cubic root of 65895040 is about 403.9096618584.

The spelling of 65895040 in words is "sixty-five million, eight hundred ninety-five thousand, forty".