40343304243 has 8 divisors (see below), whose sum is σ = 58681169856. Its totient is φ = 24450487400.

The previous prime is 40343304233. The next prime is 40343304283. The reversal of 40343304243 is 34240334304.

40343304243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40343304243 - 2¹² = 40343300147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40343304243.

It is not an unprimeable number, because it can be changed into a prime (40343304233) 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, 611262153 + ... + 611262218.

It is an arithmetic number, because the mean of its divisors is an integer number (7335146232).

Almost surely, 2^40343304243 is an apocalyptic number.

40343304243 is a deficient number, since it is larger than the sum of its proper divisors (18337865613).

40343304243 is a wasteful number, since it uses less digits than its factorization.

40343304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222524385.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 40343304243 its reverse (34240334304), we get a palindrome (74583638547).

The spelling of 40343304243 in words is "forty billion, three hundred forty-three million, three hundred four thousand, two hundred forty-three".