40513343 has 8 divisors (see below), whose sum is σ = 43705200. Its totient is φ = 37332288.

The previous prime is 40513337. The next prime is 40513349. The reversal of 40513343 is 34331504.

It is an interprime number because it is at equal distance from previous prime (40513337) and next prime (40513349).

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 40513343 - 2⁶ = 40513279 is a prime.

It is a super-2 number, since 2×40513343² = 3282661922071298, 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 (40513349) 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, 6203 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (5463150).

Almost surely, 2^40513343 is an apocalyptic number.

40513343 is a deficient number, since it is larger than the sum of its proper divisors (3191857).

40513343 is a wasteful number, since it uses less digits than its factorization.

40513343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40513343 is about 6365.0092694355. The cubic root of 40513343 is about 343.4519820131.

Adding to 40513343 its reverse (34331504), we get a palindrome (74844847).

The spelling of 40513343 in words is "forty million, five hundred thirteen thousand, three hundred forty-three".