40513353 has 16 divisors (see below), whose sum is σ = 56221440. Its totient is φ = 25928784.

The previous prime is 40513349. The next prime is 40513387. The reversal of 40513353 is 35331504.

It is a happy number.

40513353 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 40513353 - 2² = 40513349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40513393) 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, 4950 + ... + 10272.

It is an arithmetic number, because the mean of its divisors is an integer number (3513840).

Almost surely, 2^40513353 is an apocalyptic number.

40513353 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40513353 is a deficient number, since it is larger than the sum of its proper divisors (15708087).

40513353 is a wasteful number, since it uses less digits than its factorization.

40513353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 40513353 is about 6365.0100549803. The cubic root of 40513353 is about 343.4520102715.

Adding to 40513353 its reverse (35331504), we get a palindrome (75844857).

The spelling of 40513353 in words is "forty million, five hundred thirteen thousand, three hundred fifty-three".