40401235 has 24 divisors (see below), whose sum is σ = 56979936. Its totient is φ = 27417600.

The previous prime is 40401223. The next prime is 40401241. The reversal of 40401235 is 53210404.

40401235 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 40401235 - 2¹³ = 40393043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24435 + ... + 26035.

It is an arithmetic number, because the mean of its divisors is an integer number (2374164).

Almost surely, 2^40401235 is an apocalyptic number.

40401235 is a deficient number, since it is larger than the sum of its proper divisors (16578701).

40401235 is a wasteful number, since it uses less digits than its factorization.

40401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40401235 is about 6356.1965828631. The cubic root of 40401235 is about 343.1348907184.

Adding to 40401235 its reverse (53210404), we get a palindrome (93611639).

The spelling of 40401235 in words is "forty million, four hundred one thousand, two hundred thirty-five".