65483440 has 40 divisors (see below), whose sum is σ = 166092048. Its totient is φ = 23811840.

The previous prime is 65483423. The next prime is 65483459. The reversal of 65483440 is 4438456.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65483396 and 65483405.

It is a congruent number.

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, 36327 + ... + 38086.

Almost surely, 2^65483440 is an apocalyptic number.

It is an amenable number.

65483440 is an abundant number, since it is smaller than the sum of its proper divisors (100608608).

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

65483440 is a wasteful number, since it uses less digits than its factorization.

65483440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74437 (or 74431 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 65483440 is about 8092.1838832295. The cubic root of 65483440 is about 403.0669248311.

The spelling of 65483440 in words is "sixty-five million, four hundred eighty-three thousand, four hundred forty".