40545013343 has 4 divisors (see below), whose sum is σ = 41058241440. Its totient is φ = 40031785248.

The previous prime is 40545013339. The next prime is 40545013441. The reversal of 40545013343 is 34331054504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40545013343 - 2² = 40545013339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40545013043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256613930 + ... + 256614087.

It is an arithmetic number, because the mean of its divisors is an integer number (10264560360).

Almost surely, 2^40545013343 is an apocalyptic number.

40545013343 is a deficient number, since it is larger than the sum of its proper divisors (513228097).

40545013343 is an equidigital number, since it uses as much as digits as its factorization.

40545013343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513228096.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 40545013343 its reverse (34331054504), we get a palindrome (74876067847).

The spelling of 40545013343 in words is "forty billion, five hundred forty-five million, thirteen thousand, three hundred forty-three".