40088343 has 4 divisors (see below), whose sum is σ = 53451128. Its totient is φ = 26725560.

The previous prime is 40088339. The next prime is 40088357. The reversal of 40088343 is 34388004.

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

It is not a de Polignac number, because 40088343 - 2² = 40088339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40088343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40088443) 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, 6681388 + ... + 6681393.

It is an arithmetic number, because the mean of its divisors is an integer number (13362782).

Almost surely, 2^40088343 is an apocalyptic number.

40088343 is a deficient number, since it is larger than the sum of its proper divisors (13362785).

40088343 is a wasteful number, since it uses less digits than its factorization.

40088343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362784.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40088343 is about 6331.5355957303. The cubic root of 40088343 is about 342.2467782169.

The spelling of 40088343 in words is "forty million, eighty-eight thousand, three hundred forty-three".