40252343 has 8 divisors (see below), whose sum is σ = 41332368. Its totient is φ = 39178944.

The previous prime is 40252339. The next prime is 40252397. The reversal of 40252343 is 34325204.

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 40252343 - 2² = 40252339 is a prime.

It is a super-2 number, since 2×40252343² = 3240502233979298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252313) 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, 12155 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (5166546).

Almost surely, 2^40252343 is an apocalyptic number.

40252343 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40252343 is a deficient number, since it is larger than the sum of its proper divisors (1080025).

40252343 is a wasteful number, since it uses less digits than its factorization.

40252343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40252343 is about 6344.4734218058. The cubic root of 40252343 is about 342.7128497401.

Adding to 40252343 its reverse (34325204), we get a palindrome (74577547).

The spelling of 40252343 in words is "forty million, two hundred fifty-two thousand, three hundred forty-three".