65466340 has 48 divisors (see below), whose sum is σ = 145741680. Its totient is φ = 24657920.

The previous prime is 65466319. The next prime is 65466361. The reversal of 65466340 is 4366456.

It is an interprime number because it is at equal distance from previous prime (65466319) and next prime (65466361).

It can be written as a sum of positive squares in 8 ways, for example, as 438244 + 65028096 = 662^2 + 8064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65466296 and 65466305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22404 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (3036285).

Almost surely, 2^65466340 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 65466340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72870840).

65466340 is an abundant number, since it is smaller than the sum of its proper divisors (80275340).

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

65466340 is a wasteful number, since it uses less digits than its factorization.

65466340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 65466340 is about 8091.1272391429. The cubic root of 65466340 is about 403.0318368533.

The spelling of 65466340 in words is "sixty-five million, four hundred sixty-six thousand, three hundred forty".