65442460 has 24 divisors (see below), whose sum is σ = 144663120. Its totient is φ = 24799104.

The previous prime is 65442427. The next prime is 65442463. The reversal of 65442460 is 6424456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65442463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85729 + ... + 86488.

It is an arithmetic number, because the mean of its divisors is an integer number (6027630).

Almost surely, 2^65442460 is an apocalyptic number.

It is an amenable number.

65442460 is an abundant number, since it is smaller than the sum of its proper divisors (79220660).

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

65442460 is a wasteful number, since it uses less digits than its factorization.

65442460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172245 (or 172243 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 65442460 is about 8089.6514139980. The cubic root of 65442460 is about 402.9828265746.

The spelling of 65442460 in words is "sixty-five million, four hundred forty-two thousand, four hundred sixty".