40343909348 has 6 divisors (see below), whose sum is σ = 70601841366. Its totient is φ = 20171954672.

The previous prime is 40343909341. The next prime is 40343909429. The reversal of 40343909348 is 84390934304.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38528978944 + 1814930404 = 196288^2 + 42602^2 .

It is not an unprimeable number, because it can be changed into a prime (40343909341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5042988665 + ... + 5042988672.

It is an arithmetic number, because the mean of its divisors is an integer number (11766973561).

Almost surely, 2^40343909348 is an apocalyptic number.

It is an amenable number.

40343909348 is a deficient number, since it is larger than the sum of its proper divisors (30257932018).

40343909348 is a wasteful number, since it uses less digits than its factorization.

40343909348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085977341 (or 10085977339 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 40343909348 in words is "forty billion, three hundred forty-three million, nine hundred nine thousand, three hundred forty-eight".