4000505343 has 8 divisors (see below), whose sum is σ = 5335930800. Its totient is φ = 2666041728.

The previous prime is 4000505281. The next prime is 4000505357. The reversal of 4000505343 is 3435050004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000505343 - 2⁶ = 4000505279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000505393) 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, 230698 + ... + 247431.

It is an arithmetic number, because the mean of its divisors is an integer number (666991350).

Almost surely, 2^4000505343 is an apocalyptic number.

4000505343 is a deficient number, since it is larger than the sum of its proper divisors (1335425457).

4000505343 is a wasteful number, since it uses less digits than its factorization.

4000505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480921.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 4000505343 is about 63249.5481643940. The cubic root of 4000505343 is about 1587.4678976541.

Adding to 4000505343 its reverse (3435050004), we get a palindrome (7435555347).

The spelling of 4000505343 in words is "four billion, five hundred five thousand, three hundred forty-three".