40353401 has 16 divisors (see below), whose sum is σ = 45515520. Its totient is φ = 35460480.

The previous prime is 40353373. The next prime is 40353433. The reversal of 40353401 is 10435304.

It is not a de Polignac number, because 40353401 - 2¹⁸ = 40091257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40353491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45575 + ... + 46451.

It is an arithmetic number, because the mean of its divisors is an integer number (2844720).

Almost surely, 2^40353401 is an apocalyptic number.

It is an amenable number.

40353401 is a deficient number, since it is larger than the sum of its proper divisors (5162119).

40353401 is a wasteful number, since it uses less digits than its factorization.

40353401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40353401 is about 6352.4326836260. The cubic root of 40353401 is about 342.9994163420. Note that the first 3 decimals are identical.

Adding to 40353401 its reverse (10435304), we get a palindrome (50788705).

The spelling of 40353401 in words is "forty million, three hundred fifty-three thousand, four hundred one".