4345665340 has 24 divisors (see below), whose sum is σ = 9176887440. Its totient is φ = 1728553728.

The previous prime is 4345665323. The next prime is 4345665347. The reversal of 4345665340 is 435665434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4345665293 and 4345665302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345665347) 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, 603357 + ... + 610516.

It is an arithmetic number, because the mean of its divisors is an integer number (382370310).

Almost surely, 2^4345665340 is an apocalyptic number.

It is an amenable number.

4345665340 is an abundant number, since it is smaller than the sum of its proper divisors (4831222100).

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

4345665340 is a wasteful number, since it uses less digits than its factorization.

4345665340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214061 (or 1214059 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 4345665340 is about 65921.6606283549. The cubic root of 4345665340 is about 1631.8695023931.

The spelling of 4345665340 in words is "four billion, three hundred forty-five million, six hundred sixty-five thousand, three hundred forty".