40253343 has 16 divisors (see below), whose sum is σ = 60842880. Its totient is φ = 23467104.

The previous prime is 40253303. The next prime is 40253347. The reversal of 40253343 is 34335204.

It is not a de Polignac number, because 40253343 - 2²¹ = 38156191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26421 + ... + 27902.

It is an arithmetic number, because the mean of its divisors is an integer number (3802680).

Almost surely, 2^40253343 is an apocalyptic number.

40253343 is a deficient number, since it is larger than the sum of its proper divisors (20589537).

40253343 is a wasteful number, since it uses less digits than its factorization.

40253343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54358.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 40253343 is about 6344.5522300632. The cubic root of 40253343 is about 342.7156877530.

Adding to 40253343 its reverse (34335204), we get a palindrome (74588547).

The spelling of 40253343 in words is "forty million, two hundred fifty-three thousand, three hundred forty-three".