65440652 has 6 divisors (see below), whose sum is σ = 114521148. Its totient is φ = 32720324.

The previous prime is 65440621. The next prime is 65440691. The reversal of 65440652 is 25604456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8180078 + ... + 8180085.

It is an arithmetic number, because the mean of its divisors is an integer number (19086858).

Almost surely, 2^65440652 is an apocalyptic number.

It is an amenable number.

65440652 is a deficient number, since it is larger than the sum of its proper divisors (49080496).

65440652 is a wasteful number, since it uses less digits than its factorization.

65440652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16360167 (or 16360165 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 65440652 is about 8089.5396655187. The cubic root of 65440652 is about 402.9791154281.

The spelling of 65440652 in words is "sixty-five million, four hundred forty thousand, six hundred fifty-two".