40253345 has 16 divisors (see below), whose sum is σ = 54397440. Its totient is φ = 28329600.

The previous prime is 40253303. The next prime is 40253347. The reversal of 40253345 is 54335204.

40253345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40253345 - 2⁸ = 40253089 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10100 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (3399840).

Almost surely, 2^40253345 is an apocalyptic number.

It is an amenable number.

40253345 is a deficient number, since it is larger than the sum of its proper divisors (14144095).

40253345 is a wasteful number, since it uses less digits than its factorization.

40253345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 40253345 is about 6344.5523876787. The cubic root of 40253345 is about 342.7156934290.

Adding to 40253345 its reverse (54335204), we get a palindrome (94588549).

The spelling of 40253345 in words is "forty million, two hundred fifty-three thousand, three hundred forty-five".