65852440 has 16 divisors (see below), whose sum is σ = 148168080. Its totient is φ = 26340960.

The previous prime is 65852419. The next prime is 65852443. The reversal of 65852440 is 4425856.

65852440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65852396 and 65852405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65852443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823116 + ... + 823195.

It is an arithmetic number, because the mean of its divisors is an integer number (9260505).

Almost surely, 2^65852440 is an apocalyptic number.

It is an amenable number.

65852440 is an abundant number, since it is smaller than the sum of its proper divisors (82315640).

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

65852440 is a wasteful number, since it uses less digits than its factorization.

65852440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646322 (or 1646318 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 65852440 is about 8114.9516326347. The cubic root of 65852440 is about 403.8226028990.

It can be divided in two parts, 6585 and 2440, that added together give a square (9025 = 95²).

The spelling of 65852440 in words is "sixty-five million, eight hundred fifty-two thousand, four hundred forty".