40435401 has 16 divisors (see below), whose sum is σ = 60091200. Its totient is φ = 24035328.

The previous prime is 40435397. The next prime is 40435427. The reversal of 40435401 is 10453404.

It is not a de Polignac number, because 40435401 - 2² = 40435397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40435441) 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, 19896 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (3755700).

Almost surely, 2^40435401 is an apocalyptic number.

It is an amenable number.

40435401 is a deficient number, since it is larger than the sum of its proper divisors (19655799).

40435401 is a wasteful number, since it uses less digits than its factorization.

40435401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41768.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40435401 is about 6358.8836284367. The cubic root of 40435401 is about 343.2315894413.

Adding to 40435401 its reverse (10453404), we get a palindrome (50888805).

The spelling of 40435401 in words is "forty million, four hundred thirty-five thousand, four hundred one".