40404035 has 8 divisors (see below), whose sum is σ = 55411296. Its totient is φ = 27705600.

The previous prime is 40404017. The next prime is 40404043. The reversal of 40404035 is 53040404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40404035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40403998 and 40404016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577166 + ... + 577235.

It is an arithmetic number, because the mean of its divisors is an integer number (6926412).

Almost surely, 2^40404035 is an apocalyptic number.

40404035 is a deficient number, since it is larger than the sum of its proper divisors (15007261).

40404035 is a wasteful number, since it uses less digits than its factorization.

40404035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154413.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40404035 is about 6356.4168365519. The cubic root of 40404035 is about 343.1428175016.

Adding to 40404035 its reverse (53040404), we get a palindrome (93444439).

The spelling of 40404035 in words is "forty million, four hundred four thousand, thirty-five".